3161992730 has 32 divisors (see below), whose sum is σ = 6452006400. Its totient is φ = 1106056512.

The previous prime is 3161992703. The next prime is 3161992751. The reversal of 3161992730 is 372991613.

3161992730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 637610 + ... + 642549.

It is an arithmetic number, because the mean of its divisors is an integer number (201625200).

Almost surely, 2^3161992730 is an apocalyptic number.

3161992730 is an abundant number, since it is smaller than the sum of its proper divisors (3290013670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3161992730 is a wasteful number, since it uses less digits than its factorization.

3161992730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280198.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 3161992730 is about 56231.5990347065. The cubic root of 3161992730 is about 1467.7551820084.

The spelling of 3161992730 in words is "three billion, one hundred sixty-one million, nine hundred ninety-two thousand, seven hundred thirty".