156665079072 has 48 divisors (see below), whose sum is σ = 456939816480. Its totient is φ = 52221692736.

The previous prime is 156665079041. The next prime is 156665079089. The reversal of 156665079072 is 270970566651.

156665079072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90661798 + ... + 90663525.

It is an arithmetic number, because the mean of its divisors is an integer number (9519579510).

Almost surely, 2^156665079072 is an apocalyptic number.

156665079072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156665079072 is an abundant number, since it is smaller than the sum of its proper divisors (300274737408).

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

156665079072 is a wasteful number, since it uses less digits than its factorization.

156665079072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181325342 (or 181325328 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 54.

The spelling of 156665079072 in words is "one hundred fifty-six billion, six hundred sixty-five million, seventy-nine thousand, seventy-two".