3161894974 has 16 divisors (see below), whose sum is σ = 5739238368. Its totient is φ = 1275386112.

The previous prime is 3161894971. The next prime is 3161895029. The reversal of 3161894974 is 4794981613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161894971) 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, 6642399 + ... + 6642874.

It is an arithmetic number, because the mean of its divisors is an integer number (358702398).

Almost surely, 2^3161894974 is an apocalyptic number.

3161894974 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3161894974 is a deficient number, since it is larger than the sum of its proper divisors (2577343394).

3161894974 is a wasteful number, since it uses less digits than its factorization.

3161894974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13285299.

The product of its digits is 1306368, while the sum is 52.

The square root of 3161894974 is about 56230.7298014173. The cubic root of 3161894974 is about 1467.7400561720.

The spelling of 3161894974 in words is "three billion, one hundred sixty-one million, eight hundred ninety-four thousand, nine hundred seventy-four".