156500149680 has 320 divisors, whose sum is σ = 619997460480. Its totient is φ = 35543079936.

The previous prime is 156500149679. The next prime is 156500149697. The reversal of 156500149680 is 86941005651.

156500149680 is a `hidden beast` number, since 1 + 56 + 500 + 1 + 4 + 96 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2340877 + ... + 2406803.

It is an arithmetic number, because the mean of its divisors is an integer number (1937492064).

Almost surely, 2^156500149680 is an apocalyptic number.

156500149680 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 156500149680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309998730240).

156500149680 is an abundant number, since it is smaller than the sum of its proper divisors (463497310800).

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

156500149680 is a wasteful number, since it uses less digits than its factorization.

156500149680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66113 (or 66101 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 156500149680 in words is "one hundred fifty-six billion, five hundred million, one hundred forty-nine thousand, six hundred eighty".