30537472161 has 16 divisors (see below), whose sum is σ = 46626560000. Its totient is φ = 17415008208.

The previous prime is 30537472159. The next prime is 30537472169. The reversal of 30537472161 is 16127473503.

It is not a de Polignac number, because 30537472161 - 2¹ = 30537472159 is a prime.

It is a super-3 number, since 3×30537472161³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30537472169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1446601 + ... + 1467558.

It is an arithmetic number, because the mean of its divisors is an integer number (2914160000).

Almost surely, 2^30537472161 is an apocalyptic number.

It is an amenable number.

30537472161 is a deficient number, since it is larger than the sum of its proper divisors (16089087839).

30537472161 is a wasteful number, since it uses less digits than its factorization.

30537472161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914668.

The product of its (nonzero) digits is 105840, while the sum is 39.

The spelling of 30537472161 in words is "thirty billion, five hundred thirty-seven million, four hundred seventy-two thousand, one hundred sixty-one".