16146780 has 96 divisors (see below), whose sum is σ = 49373184. Its totient is φ = 3919104.

The previous prime is 16146773. The next prime is 16146791. The reversal of 16146780 is 8764161.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98979 + ... + 99141.

It is an arithmetic number, because the mean of its divisors is an integer number (514304).

Almost surely, 2^16146780 is an apocalyptic number.

16146780 is a gapful number since it is divisible by the number (10) 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 16146780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24686592).

16146780 is an abundant number, since it is smaller than the sum of its proper divisors (33226404).

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

16146780 is a wasteful number, since it uses less digits than its factorization.

16146780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 16146780 is about 4018.3056130663. The cubic root of 16146780 is about 252.7524123626.

The spelling of 16146780 in words is "sixteen million, one hundred forty-six thousand, seven hundred eighty".