646156560230 has 32 divisors (see below), whose sum is σ = 1176259345920. Its totient is φ = 255534822400.

The previous prime is 646156560169. The next prime is 646156560263. The reversal of 646156560230 is 32065651646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11949755 + ... + 12003705.

It is an arithmetic number, because the mean of its divisors is an integer number (36758104560).

Almost surely, 2^646156560230 is an apocalyptic number.

646156560230 is a deficient number, since it is larger than the sum of its proper divisors (530102785690).

646156560230 is a wasteful number, since it uses less digits than its factorization.

646156560230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67504.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 646156560230 in words is "six hundred forty-six billion, one hundred fifty-six million, five hundred sixty thousand, two hundred thirty".