2157160734 has 40 divisors (see below), whose sum is σ = 4876454880. Its totient is φ = 712684224.

The previous prime is 2157160723. The next prime is 2157160769. The reversal of 2157160734 is 4370617512.

It is a happy number.

2157160734 is a `hidden beast` number, since 2 + 15 + 7 + 1 + 607 + 34 = 666.

It is a super-2 number, since 2×2157160734² = 9306684864622837512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40614 + ... + 77225.

It is an arithmetic number, because the mean of its divisors is an integer number (121911372).

Almost surely, 2^2157160734 is an apocalyptic number.

2157160734 is an abundant number, since it is smaller than the sum of its proper divisors (2719294146).

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

2157160734 is a wasteful number, since it uses less digits than its factorization.

2157160734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117966 (or 117957 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 2157160734 is about 46445.2444713127. The cubic root of 2157160734 is about 1292.0941755614.

The spelling of 2157160734 in words is "two billion, one hundred fifty-seven million, one hundred sixty thousand, seven hundred thirty-four".