67157088036680 has 16 divisors (see below), whose sum is σ = 151103448082620. Its totient is φ = 26862835214656.

The previous prime is 67157088036671. The next prime is 67157088036691. The reversal of 67157088036680 is 8663088075176.

It can be written as a sum of positive squares in 2 ways, for example, as 66948167738596 + 208920298084 = 8182186^2 + 457078^2 .

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, 839463600419 + ... + 839463600498.

Almost surely, 2^{67157088036680} is an apocalyptic number.

It is an amenable number.

67157088036680 is an abundant number, since it is smaller than the sum of its proper divisors (83946360045940).

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

67157088036680 is a wasteful number, since it uses less digits than its factorization.

67157088036680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678927200928 (or 1678927200924 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 65.

The spelling of 67157088036680 in words is "sixty-seven trillion, one hundred fifty-seven billion, eighty-eight million, thirty-six thousand, six hundred eighty".