361640152818 has 96 divisors (see below), whose sum is σ = 935012131200. Its totient is φ = 103308071328.

The previous prime is 361640152793. The next prime is 361640152829. The reversal of 361640152818 is 818251046163.

361640152818 is a `hidden beast` number, since 3 + 61 + 64 + 0 + 1 + 528 + 1 + 8 = 666.

It is a super-2 number, since 2×361640152818² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29859348 + ... + 29871456.

It is an arithmetic number, because the mean of its divisors is an integer number (9739709700).

Almost surely, 2^361640152818 is an apocalyptic number.

361640152818 is an abundant number, since it is smaller than the sum of its proper divisors (573371978382).

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

361640152818 is a wasteful number, since it uses less digits than its factorization.

361640152818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23421 (or 23408 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 361640152818 in words is "three hundred sixty-one billion, six hundred forty million, one hundred fifty-two thousand, eight hundred eighteen".