156904064 has 32 divisors (see below), whose sum is σ = 313983540. Its totient is φ = 78100480.

The previous prime is 156904057. The next prime is 156904079. The reversal of 156904064 is 460409651.

It can be written as a sum of positive squares in 2 ways, for example, as 156750400 + 153664 = 12520^2 + 392^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27194 + ... + 32454.

Almost surely, 2^156904064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156904064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156991770).

156904064 is an abundant number, since it is smaller than the sum of its proper divisors (157079476).

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

156904064 is an equidigital number, since it uses as much as digits as its factorization.

156904064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5508 (or 5496 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 156904064 is about 12526.1352379734. The cubic root of 156904064 is about 539.3591666461.

The spelling of 156904064 in words is "one hundred fifty-six million, nine hundred four thousand, sixty-four".