156980061472 has 384 divisors, whose sum is σ = 375537254400. Its totient is φ = 63960551424.

The previous prime is 156980061463. The next prime is 156980061479. The reversal of 156980061472 is 274160089651.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (156980061479) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 703946353 + ... + 703946575.

It is an arithmetic number, because the mean of its divisors is an integer number (977961600).

Almost surely, 2^156980061472 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 156980061472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187768627200).

156980061472 is an abundant number, since it is smaller than the sum of its proper divisors (218557192928).

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

156980061472 is a wasteful number, since it uses less digits than its factorization.

156980061472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 156980061472 in words is "one hundred fifty-six billion, nine hundred eighty million, sixty-one thousand, four hundred seventy-two".