156156556506 has 8 divisors (see below), whose sum is σ = 312313113024. Its totient is φ = 52052185500.

The previous prime is 156156556499. The next prime is 156156556511. The reversal of 156156556506 is 605655651651.

It is a sphenic number, since it is the product of 3 distinct primes.

156156556506 is an admirable 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, 13013046370 + ... + 13013046381.

It is an arithmetic number, because the mean of its divisors is an integer number (39039139128).

Almost surely, 2^156156556506 is an apocalyptic number.

156156556506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

156156556506 is a wasteful number, since it uses less digits than its factorization.

156156556506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26026092756.

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 156156556506 in words is "one hundred fifty-six billion, one hundred fifty-six million, five hundred fifty-six thousand, five hundred six".