67655665645675 has 12 divisors (see below), whose sum is σ = 84314598398800. Its totient is φ = 53852549937120.

The previous prime is 67655665645663. The next prime is 67655665645691. The reversal of 67655665645675 is 57654656655676.

It is a de Polignac number, because none of the positive numbers 2^k-67655665645675 is a prime.

It is a hoax number, since the sum of its digits (79) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 67655665645595 and 67655665645604.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6799559412 + ... + 6799569361.

Almost surely, 2^{67655665645675} is an apocalyptic number.

67655665645675 is a deficient number, since it is larger than the sum of its proper divisors (16658932753125).

67655665645675 is a wasteful number, since it uses less digits than its factorization.

67655665645675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13599128982 (or 13599128977 counting only the distinct ones).

The product of its digits is 28576800000, while the sum is 79.

The spelling of 67655665645675 in words is "sixty-seven trillion, six hundred fifty-five billion, six hundred sixty-five million, six hundred forty-five thousand, six hundred seventy-five".