32161394167 has 12 divisors (see below), whose sum is σ = 37663331400. Its totient is φ = 27381890256.

The previous prime is 32161394143. The next prime is 32161394179. The reversal of 32161394167 is 76149316123.

It is not a de Polignac number, because 32161394167 - 2⁷ = 32161394039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32161394117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2195233 + ... + 2209834.

It is an arithmetic number, because the mean of its divisors is an integer number (3138610950).

Almost surely, 2^32161394167 is an apocalyptic number.

32161394167 is a deficient number, since it is larger than the sum of its proper divisors (5501937233).

32161394167 is a wasteful number, since it uses less digits than its factorization.

32161394167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405230 (or 4405223 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The spelling of 32161394167 in words is "thirty-two billion, one hundred sixty-one million, three hundred ninety-four thousand, one hundred sixty-seven".