30732427161 has 40 divisors (see below), whose sum is σ = 48715909704. Its totient is φ = 19240865280.

The previous prime is 30732427147. The next prime is 30732427183. The reversal of 30732427161 is 16172423703.

30732427161 is a `hidden beast` number, since 3 + 0 + 7 + 324 + 271 + 61 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4222400400 + 26510026761 = 64980^2 + 162819^2 .

It is a de Polignac number, because none of the positive numbers 2^k-30732427161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30732407161) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 610591 + ... + 659003.

Almost surely, 2^30732427161 is an apocalyptic number.

It is an amenable number.

30732427161 is a deficient number, since it is larger than the sum of its proper divisors (17983482543).

30732427161 is a wasteful number, since it uses less digits than its factorization.

30732427161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48903 (or 48894 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The spelling of 30732427161 in words is "thirty billion, seven hundred thirty-two million, four hundred twenty-seven thousand, one hundred sixty-one".