156790133986 has 32 divisors (see below), whose sum is σ = 250025384448. Its totient is φ = 73485861120.

The previous prime is 156790133977. The next prime is 156790134001. The reversal of 156790133986 is 689331097651.

It is a happy number.

It is a super-2 number, since 2×156790133986² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 156790133986.

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, 32452591 + ... + 32457421.

It is an arithmetic number, because the mean of its divisors is an integer number (7813293264).

Almost surely, 2^156790133986 is an apocalyptic number.

156790133986 is a deficient number, since it is larger than the sum of its proper divisors (93235250462).

156790133986 is a wasteful number, since it uses less digits than its factorization.

156790133986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8506.

The product of its (nonzero) digits is 7348320, while the sum is 58.

The spelling of 156790133986 in words is "one hundred fifty-six billion, seven hundred ninety million, one hundred thirty-three thousand, nine hundred eighty-six".