75372850161 has 64 divisors (see below), whose sum is σ = 130819276800. Its totient is φ = 41995775808.

The previous prime is 75372850141. The next prime is 75372850177. The reversal of 75372850161 is 16105827357.

It is a happy number.

75372850161 is a `hidden beast` number, since 7 + 537 + 2 + 8 + 50 + 1 + 61 = 666.

It is not a de Polignac number, because 75372850161 - 2⁵ = 75372850129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75372850141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2373756 + ... + 2405298.

It is an arithmetic number, because the mean of its divisors is an integer number (2044051200).

Almost surely, 2^75372850161 is an apocalyptic number.

It is an amenable number.

75372850161 is a deficient number, since it is larger than the sum of its proper divisors (55446426639).

75372850161 is a wasteful number, since it uses less digits than its factorization.

75372850161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31875 (or 31869 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 75372850161 in words is "seventy-five billion, three hundred seventy-two million, eight hundred fifty thousand, one hundred sixty-one".