37358722161 has 6 divisors (see below), whose sum is σ = 53962598690. Its totient is φ = 24905814768.

The previous prime is 37358722153. The next prime is 37358722217. The reversal of 37358722161 is 16122785373.

37358722161 is a `hidden beast` number, since 3 + 7 + 3 + 587 + 2 + 2 + 1 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22320360000 + 15038362161 = 149400^2 + 122631^2 .

It is not a de Polignac number, because 37358722161 - 2³ = 37358722153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37358712161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2075484556 + ... + 2075484573.

Almost surely, 2^37358722161 is an apocalyptic number.

It is an amenable number.

37358722161 is a deficient number, since it is larger than the sum of its proper divisors (16603876529).

37358722161 is a wasteful number, since it uses less digits than its factorization.

37358722161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4150969135 (or 4150969132 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The spelling of 37358722161 in words is "thirty-seven billion, three hundred fifty-eight million, seven hundred twenty-two thousand, one hundred sixty-one".