16146648 has 128 divisors (see below), whose sum is σ = 52416000. Its totient is φ = 4510080.

The previous prime is 16146643. The next prime is 16146671. The reversal of 16146648 is 84664161.

16146648 is a `hidden beast` number, since 1 + 6 + 1 + 4 + 6 + 648 = 666.

16146648 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16146643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89118 + ... + 89298.

It is an arithmetic number, because the mean of its divisors is an integer number (409500).

Almost surely, 2^16146648 is an apocalyptic number.

16146648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16146648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26208000).

16146648 is an abundant number, since it is smaller than the sum of its proper divisors (36269352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16146648 is a wasteful number, since it uses less digits than its factorization.

16146648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 252 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 16146648 is about 4018.2891881994. The cubic root of 16146648 is about 252.7517236100.

The spelling of 16146648 in words is "sixteen million, one hundred forty-six thousand, six hundred forty-eight".