5155998657 has 8 divisors (see below), whose sum is σ = 6877610880. Its totient is φ = 3435859440.

The previous prime is 5155998649. The next prime is 5155998671. The reversal of 5155998657 is 7568995515.

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

It is not a de Polignac number, because 5155998657 - 2³ = 5155998649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5155998657.

It is not an unprimeable number, because it can be changed into a prime (5155998637) 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, 360057 + ... + 374102.

It is an arithmetic number, because the mean of its divisors is an integer number (859701360).

Almost surely, 2^5155998657 is an apocalyptic number.

It is an amenable number.

5155998657 is a deficient number, since it is larger than the sum of its proper divisors (1721612223).

5155998657 is a wasteful number, since it uses less digits than its factorization.

5155998657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736503.

The product of its digits is 17010000, while the sum is 60.

The square root of 5155998657 is about 71805.2829323860. The cubic root of 5155998657 is about 1727.5777361537.

The spelling of 5155998657 in words is "five billion, one hundred fifty-five million, nine hundred ninety-eight thousand, six hundred fifty-seven".