667367121007036 has 12 divisors (see below), whose sum is σ = 1168329710924320. Its totient is φ = 333558632171520.

The previous prime is 667367121007019. The next prime is 667367121007079. The reversal of 667367121007036 is 630700121763766.

It is a super-2 number, since 2×667367121007036² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31232070981 + ... + 31232092348.

Almost surely, 2^{667367121007036} is an apocalyptic number.

It is an amenable number.

667367121007036 is a deficient number, since it is larger than the sum of its proper divisors (500962589917284).

667367121007036 is a wasteful number, since it uses less digits than its factorization.

667367121007036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62464166004 (or 62464166002 counting only the distinct ones).

The product of its (nonzero) digits is 8001504, while the sum is 55.

The spelling of 667367121007036 in words is "six hundred sixty-seven trillion, three hundred sixty-seven billion, one hundred twenty-one million, seven thousand, thirty-six".