2172020033672 has 64 divisors (see below), whose sum is σ = 4097591193600. Its totient is φ = 1079357685760.

The previous prime is 2172020033653. The next prime is 2172020033719. The reversal of 2172020033672 is 2763300202712.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1588894733 + ... + 1588896099.

It is an arithmetic number, because the mean of its divisors is an integer number (64024862400).

Almost surely, 2^{2172020033672} is an apocalyptic number.

It is an amenable number.

2172020033672 is a deficient number, since it is larger than the sum of its proper divisors (1925571159928).

2172020033672 is a wasteful number, since it uses less digits than its factorization.

2172020033672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206 (or 3202 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The spelling of 2172020033672 in words is "two trillion, one hundred seventy-two billion, twenty million, thirty-three thousand, six hundred seventy-two".