156601015552 has 36 divisors (see below), whose sum is σ = 313461217440. Its totient is φ = 78082354688.

The previous prime is 156601015511. The next prime is 156601015583. The reversal of 156601015552 is 255510106651.

It is a congruent number.

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, 760078 + ... + 943885.

It is an arithmetic number, because the mean of its divisors is an integer number (8707256040).

Almost surely, 2^156601015552 is an apocalyptic number.

It is an amenable number.

156601015552 is an abundant number, since it is smaller than the sum of its proper divisors (156860201888).

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

156601015552 is an equidigital number, since it uses as much as digits as its factorization.

156601015552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704338 (or 1704324 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 37.

The spelling of 156601015552 in words is "one hundred fifty-six billion, six hundred one million, fifteen thousand, five hundred fifty-two".