51316188806 has 8 divisors (see below), whose sum is σ = 76986695064. Its totient is φ = 25653957120.

The previous prime is 51316188751. The next prime is 51316188823. The reversal of 51316188806 is 60888161315.

It is a happy number.

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

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, 2053115 + ... + 2077958.

It is an arithmetic number, because the mean of its divisors is an integer number (9623336883).

Almost surely, 2^51316188806 is an apocalyptic number.

51316188806 is a deficient number, since it is larger than the sum of its proper divisors (25670506258).

51316188806 is a wasteful number, since it uses less digits than its factorization.

51316188806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4137286.

The product of its (nonzero) digits is 276480, while the sum is 47.

The spelling of 51316188806 in words is "fifty-one billion, three hundred sixteen million, one hundred eighty-eight thousand, eight hundred six".