32297136161 has 4 divisors (see below), whose sum is σ = 32441966592. Its totient is φ = 32152305732.

The previous prime is 32297136101. The next prime is 32297136229. The reversal of 32297136161 is 16163179223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16163179223 = 48247 ⋅335009.

It is a cyclic number.

It is not a de Polignac number, because 32297136161 - 2⁶ = 32297136097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32297136101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72414881 + ... + 72415326.

It is an arithmetic number, because the mean of its divisors is an integer number (8110491648).

Almost surely, 2^32297136161 is an apocalyptic number.

It is an amenable number.

32297136161 is a deficient number, since it is larger than the sum of its proper divisors (144830431).

32297136161 is a wasteful number, since it uses less digits than its factorization.

32297136161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144830430.

The product of its digits is 81648, while the sum is 41.

The spelling of 32297136161 in words is "thirty-two billion, two hundred ninety-seven million, one hundred thirty-six thousand, one hundred sixty-one".