66670036737367 has 16 divisors (see below), whose sum is σ = 76381156138752. Its totient is φ = 57005783239680.

The previous prime is 66670036737349. The next prime is 66670036737371. The reversal of 66670036737367 is 76373763007666.

It is a cyclic number.

It is not a de Polignac number, because 66670036737367 - 2¹⁵ = 66670036704599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66670036737347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1576633 + ... + 11654434.

It is an arithmetic number, because the mean of its divisors is an integer number (4773822258672).

Almost surely, 2^{66670036737367} is an apocalyptic number.

66670036737367 is a deficient number, since it is larger than the sum of its proper divisors (9711119401385).

66670036737367 is a wasteful number, since it uses less digits than its factorization.

66670036737367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13232838.

The product of its (nonzero) digits is 504094752, while the sum is 67.

The spelling of 66670036737367 in words is "sixty-six trillion, six hundred seventy billion, thirty-six million, seven hundred thirty-seven thousand, three hundred sixty-seven".