3668520368331 has 48 divisors (see below), whose sum is σ = 6808487162400. Its totient is φ = 1935043701696.

The previous prime is 3668520368327. The next prime is 3668520368333. The reversal of 3668520368331 is 1338630258663.

It is a happy number.

3668520368331 is a `hidden beast` number, since 3 + 6 + 6 + 8 + 520 + 3 + 6 + 83 + 31 = 666.

It is not a de Polignac number, because 3668520368331 - 2² = 3668520368327 is a prime.

It is a super-2 number, since 2×3668520368331² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3668520368333) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106632036 + ... + 106666433.

It is an arithmetic number, because the mean of its divisors is an integer number (141843482550).

Almost surely, 2^{3668520368331} is an apocalyptic number.

3668520368331 is a deficient number, since it is larger than the sum of its proper divisors (3139966794069).

3668520368331 is a wasteful number, since it uses less digits than its factorization.

3668520368331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213298505 (or 213298492 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 3668520368331 in words is "three trillion, six hundred sixty-eight billion, five hundred twenty million, three hundred sixty-eight thousand, three hundred thirty-one".