51676630516 has 24 divisors (see below), whose sum is σ = 103374264896. Its totient is φ = 22142626560.

The previous prime is 51676630469. The next prime is 51676630517. The reversal of 51676630516 is 61503667615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51676630517) 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, 45405 + ... + 324676.

Almost surely, 2^51676630516 is an apocalyptic number.

It is an amenable number.

51676630516 is an abundant number, since it is smaller than the sum of its proper divisors (51697634380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51676630516 is a wasteful number, since it uses less digits than its factorization.

51676630516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375079 (or 375077 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 46.

The spelling of 51676630516 in words is "fifty-one billion, six hundred seventy-six million, six hundred thirty thousand, five hundred sixteen".