5161656610515 has 16 divisors (see below), whose sum is σ = 8259041030400. Its totient is φ = 2752753374432.

The previous prime is 5161656610489. The next prime is 5161656610577. The reversal of 5161656610515 is 5150166561615.

It is not a de Polignac number, because 5161656610515 - 2⁹ = 5161656610003 is a prime.

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, 7806175 + ... + 8441544.

It is an arithmetic number, because the mean of its divisors is an integer number (516190064400).

Almost surely, 2^{5161656610515} is an apocalyptic number.

5161656610515 is a deficient number, since it is larger than the sum of its proper divisors (3097384419885).

5161656610515 is a wasteful number, since it uses less digits than its factorization.

5161656610515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16268906.

The product of its (nonzero) digits is 810000, while the sum is 48.

The spelling of 5161656610515 in words is "five trillion, one hundred sixty-one billion, six hundred fifty-six million, six hundred ten thousand, five hundred fifteen".