3973188165 has 8 divisors (see below), whose sum is σ = 6357101088. Its totient is φ = 2119033680.

The previous prime is 3973188157. The next prime is 3973188217. The reversal of 3973188165 is 5618813793.

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

It is not a de Polignac number, because 3973188165 - 2³ = 3973188157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132439591 + ... + 132439620.

It is an arithmetic number, because the mean of its divisors is an integer number (794637636).

Almost surely, 2^3973188165 is an apocalyptic number.

It is an amenable number.

3973188165 is a deficient number, since it is larger than the sum of its proper divisors (2383912923).

3973188165 is a wasteful number, since it uses less digits than its factorization.

3973188165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264879219.

The product of its digits is 1088640, while the sum is 51.

The square root of 3973188165 is about 63033.2306406708. The cubic root of 3973188165 is about 1583.8463364704.

The spelling of 3973188165 in words is "three billion, nine hundred seventy-three million, one hundred eighty-eight thousand, one hundred sixty-five".