361404660858 has 16 divisors (see below), whose sum is σ = 722822490720. Its totient is φ = 120466025456.

The previous prime is 361404660847. The next prime is 361404660863. The reversal of 361404660858 is 858066404163.

It is a super-2 number, since 2×361404660858² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 361404660858.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172053 + ... + 867416.

It is an arithmetic number, because the mean of its divisors is an integer number (45176405670).

Almost surely, 2^361404660858 is an apocalyptic number.

361404660858 is an abundant number, since it is smaller than the sum of its proper divisors (361417829862).

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

361404660858 is a wasteful number, since it uses less digits than its factorization.

361404660858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097421.

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 361404660858 in words is "three hundred sixty-one billion, four hundred four million, six hundred sixty thousand, eight hundred fifty-eight".