156980397708 has 48 divisors (see below), whose sum is σ = 416912721120. Its totient is φ = 51050534400.

The previous prime is 156980397683. The next prime is 156980397773. The reversal of 156980397708 is 807793089651.

156980397708 is a `hidden beast` number, since 156 + 98 + 0 + 397 + 7 + 0 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17721453 + ... + 17730308.

It is an arithmetic number, because the mean of its divisors is an integer number (8685681690).

Almost surely, 2^156980397708 is an apocalyptic number.

156980397708 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

156980397708 is an abundant number, since it is smaller than the sum of its proper divisors (259932323412).

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

156980397708 is a wasteful number, since it uses less digits than its factorization.

156980397708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35451815 (or 35451807 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 63.

The spelling of 156980397708 in words is "one hundred fifty-six billion, nine hundred eighty million, three hundred ninety-seven thousand, seven hundred eight".