32161394002 has 32 divisors (see below), whose sum is σ = 51955921152. Its totient is φ = 14876193024.

The previous prime is 32161393997. The next prime is 32161394003. The reversal of 32161394002 is 20049316123.

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 15 ways as a sum of consecutive naturals, for example, 1039468 + ... + 1069960.

It is an arithmetic number, because the mean of its divisors is an integer number (1623622536).

Almost surely, 2^32161394002 is an apocalyptic number.

32161394002 is a deficient number, since it is larger than the sum of its proper divisors (19794527150).

32161394002 is a wasteful number, since it uses less digits than its factorization.

32161394002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31042.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 32161394002 in words is "thirty-two billion, one hundred sixty-one million, three hundred ninety-four thousand, two".