667380334131 has 96 divisors (see below), whose sum is σ = 1163767176000. Its totient is φ = 376858427904.

The previous prime is 667380334109. The next prime is 667380334151. The reversal of 667380334131 is 131433083766.

It is a happy number.

667380334131 is a `hidden beast` number, since 66 + 73 + 80 + 33 + 413 + 1 = 666.

It is not a de Polignac number, because 667380334131 - 2²³ = 667371945523 is a prime.

It is a super-2 number, since 2×667380334131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (667380334151) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 56090575 + ... + 56102471.

It is an arithmetic number, because the mean of its divisors is an integer number (12122574750).

Almost surely, 2^667380334131 is an apocalyptic number.

667380334131 is a deficient number, since it is larger than the sum of its proper divisors (496386841869).

667380334131 is a wasteful number, since it uses less digits than its factorization.

667380334131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12418 (or 12405 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 667380334131 in words is "six hundred sixty-seven billion, three hundred eighty million, three hundred thirty-four thousand, one hundred thirty-one".