156814515436 has 72 divisors (see below), whose sum is σ = 294217479360. Its totient is φ = 73042824960.

The previous prime is 156814515427. The next prime is 156814515443. The reversal of 156814515436 is 634515418651.

It is a self number, because there is not a number n which added to its sum of digits gives 156814515436.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40909776 + ... + 40913608.

It is an arithmetic number, because the mean of its divisors is an integer number (4086353880).

Almost surely, 2^156814515436 is an apocalyptic number.

It is an amenable number.

156814515436 is a deficient number, since it is larger than the sum of its proper divisors (137402963924).

156814515436 is a wasteful number, since it uses less digits than its factorization.

156814515436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4295 (or 4262 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 49.

The spelling of 156814515436 in words is "one hundred fifty-six billion, eight hundred fourteen million, five hundred fifteen thousand, four hundred thirty-six".