66692037668275 has 12 divisors (see below), whose sum is σ = 82884804209352. Its totient is φ = 53233193037440.

The previous prime is 66692037668237. The next prime is 66692037668317. The reversal of 66692037668275 is 57286673029666.

It is not a de Polignac number, because 66692037668275 - 2¹¹ = 66692037666227 is a prime.

It is a super-2 number, since 2×66692037668275² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66692037668198 and 66692037668207.

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, 3010916134 + ... + 3010938283.

It is an arithmetic number, because the mean of its divisors is an integer number (6907067017446).

Almost surely, 2^{66692037668275} is an apocalyptic number.

66692037668275 is a deficient number, since it is larger than the sum of its proper divisors (16192766541077).

66692037668275 is a wasteful number, since it uses less digits than its factorization.

66692037668275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6021854870 (or 6021854865 counting only the distinct ones).

The product of its (nonzero) digits is 1646023680, while the sum is 73.

The spelling of 66692037668275 in words is "sixty-six trillion, six hundred ninety-two billion, thirty-seven million, six hundred sixty-eight thousand, two hundred seventy-five".