5161957904 has 20 divisors (see below), whose sum is σ = 10052067564. Its totient is φ = 2567875968.

The previous prime is 5161957897. The next prime is 5161957993. The reversal of 5161957904 is 4097591615.

It can be written as a sum of positive squares in 2 ways, for example, as 4589791504 + 572166400 = 67748^2 + 23920^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815687 + ... + 821990.

Almost surely, 2^5161957904 is an apocalyptic number.

It is an amenable number.

5161957904 is a deficient number, since it is larger than the sum of its proper divisors (4890109660).

5161957904 is a wasteful number, since it uses less digits than its factorization.

5161957904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637882 (or 1637876 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 5161957904 is about 71846.7668305262. The cubic root of 5161957904 is about 1728.2430517316.

The spelling of 5161957904 in words is "five billion, one hundred sixty-one million, nine hundred fifty-seven thousand, nine hundred four".