2172020033671 has 8 divisors (see below), whose sum is σ = 2174249226240. Its totient is φ = 2169791109912.

The previous prime is 2172020033653. The next prime is 2172020033719. The reversal of 2172020033671 is 1763300202712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2172020033671 - 2⁵ = 2172020033639 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 (2172020033611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18792966 + ... + 18908188.

It is an arithmetic number, because the mean of its divisors is an integer number (271781153280).

Almost surely, 2^{2172020033671} is an apocalyptic number.

2172020033671 is a deficient number, since it is larger than the sum of its proper divisors (2229192569).

2172020033671 is a wasteful number, since it uses less digits than its factorization.

2172020033671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134405.

The product of its (nonzero) digits is 21168, while the sum is 34.

The spelling of 2172020033671 in words is "two trillion, one hundred seventy-two billion, twenty million, thirty-three thousand, six hundred seventy-one".