156196516620 has 96 divisors (see below), whose sum is σ = 452767734720. Its totient is φ = 40186209280.

The previous prime is 156196516601. The next prime is 156196516739. The reversal of 156196516620 is 26615691651.

It is a self number, because there is not a number n which added to its sum of digits gives 156196516620.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2356330 + ... + 2421710.

It is an arithmetic number, because the mean of its divisors is an integer number (4716330570).

Almost surely, 2^156196516620 is an apocalyptic number.

156196516620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156196516620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226383867360).

156196516620 is an abundant number, since it is smaller than the sum of its proper divisors (296571218100).

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

156196516620 is a wasteful number, since it uses less digits than its factorization.

156196516620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66795 (or 66793 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 156196516620 in words is "one hundred fifty-six billion, one hundred ninety-six million, five hundred sixteen thousand, six hundred twenty".