156671745872 has 40 divisors (see below), whose sum is σ = 305822003520. Its totient is φ = 77751797760.

The previous prime is 156671745869. The next prime is 156671745877. The reversal of 156671745872 is 278547176651.

156671745872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156671745877) by changing a digit.

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, 1297847 + ... + 1413417.

It is an arithmetic number, because the mean of its divisors is an integer number (7645550088).

Almost surely, 2^156671745872 is an apocalyptic number.

It is an amenable number.

156671745872 is a deficient number, since it is larger than the sum of its proper divisors (149150257648).

156671745872 is a wasteful number, since it uses less digits than its factorization.

156671745872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116211 (or 116205 counting only the distinct ones).

The product of its digits is 19756800, while the sum is 59.

The spelling of 156671745872 in words is "one hundred fifty-six billion, six hundred seventy-one million, seven hundred forty-five thousand, eight hundred seventy-two".