363642731656 has 8 divisors (see below), whose sum is σ = 681830121870. Its totient is φ = 181821365824.

The previous prime is 363642731567. The next prime is 363642731663. The reversal of 363642731656 is 656137246363.

It can be written as a sum of positive squares in only one way, i.e., 334970082756 + 28672648900 = 578766^2 + 169330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 22727670721 + ... + 22727670736.

Almost surely, 2^363642731656 is an apocalyptic number.

It is an amenable number.

363642731656 is a deficient number, since it is larger than the sum of its proper divisors (318187390214).

363642731656 is a wasteful number, since it uses less digits than its factorization.

363642731656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45455341463 (or 45455341459 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 52.

The spelling of 363642731656 in words is "three hundred sixty-three billion, six hundred forty-two million, seven hundred thirty-one thousand, six hundred fifty-six".