5159978165 has 8 divisors (see below), whose sum is σ = 6249843360. Its totient is φ = 4089402832.

The previous prime is 5159978137. The next prime is 5159978177. The reversal of 5159978165 is 5618799515.

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

It is a cyclic number.

It is not a de Polignac number, because 5159978165 - 2⁸ = 5159977909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5159978165.

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, 4821875 + ... + 4822944.

It is an arithmetic number, because the mean of its divisors is an integer number (781230420).

Almost surely, 2^5159978165 is an apocalyptic number.

It is an amenable number.

5159978165 is a deficient number, since it is larger than the sum of its proper divisors (1089865195).

5159978165 is a wasteful number, since it uses less digits than its factorization.

5159978165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9644931.

The product of its digits is 3402000, while the sum is 56.

The square root of 5159978165 is about 71832.9879999433. The cubic root of 5159978165 is about 1728.0220821090.

The spelling of 5159978165 in words is "five billion, one hundred fifty-nine million, nine hundred seventy-eight thousand, one hundred sixty-five".