75166466157 has 8 divisors (see below), whose sum is σ = 111357727680. Its totient is φ = 50110977420.

The previous prime is 75166466153. The next prime is 75166466171.

It is a happy number.

75166466157 is a `hidden beast` number, since 7 + 5 + 16 + 6 + 4 + 6 + 615 + 7 = 666.

75166466157 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 75166466157 - 2² = 75166466153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75166466153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1391971569 + ... + 1391971622.

It is an arithmetic number, because the mean of its divisors is an integer number (13919715960).

Almost surely, 2^75166466157 is an apocalyptic number.

It is an amenable number.

75166466157 is a deficient number, since it is larger than the sum of its proper divisors (36191261523).

75166466157 is a wasteful number, since it uses less digits than its factorization.

75166466157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783943200 (or 2783943194 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The spelling of 75166466157 in words is "seventy-five billion, one hundred sixty-six million, four hundred sixty-six thousand, one hundred fifty-seven".