32161394013 has 64 divisors (see below), whose sum is σ = 51766099968. Its totient is φ = 17372698560.

The previous prime is 32161394003. The next prime is 32161394029. The reversal of 32161394013 is 31049316123.

It is a happy number.

It is not a de Polignac number, because 32161394013 - 2⁴ = 32161393997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32161394003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29586756 + ... + 29587842.

It is an arithmetic number, because the mean of its divisors is an integer number (808845312).

Almost surely, 2^32161394013 is an apocalyptic number.

It is an amenable number.

32161394013 is a deficient number, since it is larger than the sum of its proper divisors (19604705955).

32161394013 is a wasteful number, since it uses less digits than its factorization.

32161394013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142.

The product of its (nonzero) digits is 11664, while the sum is 33.

The spelling of 32161394013 in words is "thirty-two billion, one hundred sixty-one million, three hundred ninety-four thousand, thirteen".