16565148 has 120 divisors (see below), whose sum is σ = 46957680. Its totient is φ = 5080320.

The previous prime is 16565137. The next prime is 16565161. The reversal of 16565148 is 84156561.

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

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 385215 + ... + 385257.

It is an arithmetic number, because the mean of its divisors is an integer number (391314).

Almost surely, 2^16565148 is an apocalyptic number.

16565148 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 16565148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23478840).

16565148 is an abundant number, since it is smaller than the sum of its proper divisors (30392532).

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

16565148 is a wasteful number, since it uses less digits than its factorization.

16565148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 118 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 16565148 is about 4070.0304667164. The cubic root of 16565148 is about 254.9167894590.

The spelling of 16565148 in words is "sixteen million, five hundred sixty-five thousand, one hundred forty-eight".