156440816676 has 27 divisors (see below), whose sum is σ = 395453618833. Its totient is φ = 52146147840.

The previous prime is 156440816669. The next prime is 156440816689. The reversal of 156440816676 is 676618044651.

The square root of 156440816676 is 395526.

It is a perfect power (a square), and thus also a powerful number.

156440816676 is a `hidden beast` number, since 1 + 5 + 6 + 4 + 408 + 166 + 76 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7135856676 + 149304960000 = 84474^2 + 386400^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2340196 + ... + 2406116.

Almost surely, 2^156440816676 is an apocalyptic number.

156440816676 is the 395526-th square number.

It is an amenable number.

156440816676 is an abundant number, since it is smaller than the sum of its proper divisors (239012802157).

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

156440816676 is an frugal number, since it uses more digits than its factorization.

156440816676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131852 (or 65926 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 156440816676 in words is "one hundred fifty-six billion, four hundred forty million, eight hundred sixteen thousand, six hundred seventy-six".