66105001675 has 24 divisors (see below), whose sum is σ = 82292870816. Its totient is φ = 52676144640.

The previous prime is 66105001673. The next prime is 66105001691. The reversal of 66105001675 is 57610050166.

66105001675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 66105001675 - 2¹ = 66105001673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66105001673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10418554 + ... + 10424896.

Almost surely, 2^66105001675 is an apocalyptic number.

66105001675 is a deficient number, since it is larger than the sum of its proper divisors (16187869141).

66105001675 is a wasteful number, since it uses less digits than its factorization.

66105001675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7927 (or 7922 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 66105001675 in words is "sixty-six billion, one hundred five million, one thousand, six hundred seventy-five".