75194916172 has 6 divisors (see below), whose sum is σ = 131591103308. Its totient is φ = 37597458084.

The previous prime is 75194916157. The next prime is 75194916179. The reversal of 75194916172 is 27161949157.

It is a super-2 number, since 2×75194916172² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (75194916179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9399364518 + ... + 9399364525.

Almost surely, 2^75194916172 is an apocalyptic number.

It is an amenable number.

75194916172 is a deficient number, since it is larger than the sum of its proper divisors (56396187136).

75194916172 is a wasteful number, since it uses less digits than its factorization.

75194916172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18798729047 (or 18798729045 counting only the distinct ones).

The product of its digits is 952560, while the sum is 52.

The spelling of 75194916172 in words is "seventy-five billion, one hundred ninety-four million, nine hundred sixteen thousand, one hundred seventy-two".