156604416 has 96 divisors (see below), whose sum is σ = 424569600. Its totient is φ = 51322880.

The previous prime is 156604397. The next prime is 156604421. The reversal of 156604416 is 614406651.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×156604416² = 49049886221402112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436045 + ... + 436403.

It is an arithmetic number, because the mean of its divisors is an integer number (4422600).

Almost surely, 2^156604416 is an apocalyptic number.

156604416 is a gapful number since it is divisible by the number (16) 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 156604416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212284800).

156604416 is an abundant number, since it is smaller than the sum of its proper divisors (267965184).

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

156604416 is an equidigital number, since it uses as much as digits as its factorization.

156604416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 156604416 is about 12514.1686100196. The cubic root of 156604416 is about 539.0156002566.

The spelling of 156604416 in words is "one hundred fifty-six million, six hundred four thousand, four hundred sixteen".