51676067615 has 4 divisors (see below), whose sum is σ = 62011281144. Its totient is φ = 41340854088.

The previous prime is 51676067609. The next prime is 51676067657.

51676067615 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51676067615 - 2³⁰ = 50602325791 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 5167606757 + ... + 5167606766.

It is an arithmetic number, because the mean of its divisors is an integer number (15502820286).

Almost surely, 2^51676067615 is an apocalyptic number.

51676067615 is a deficient number, since it is larger than the sum of its proper divisors (10335213529).

51676067615 is a wasteful number, since it uses less digits than its factorization.

51676067615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10335213528.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 51676067615 in words is "fifty-one billion, six hundred seventy-six million, sixty-seven thousand, six hundred fifteen".