51614847618 has 8 divisors (see below), whose sum is σ = 103229695248. Its totient is φ = 17204949204.

The previous prime is 51614847601. The next prime is 51614847649. The reversal of 51614847618 is 81674841615.

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

51614847618 is an admirable 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, 4301237296 + ... + 4301237307.

It is an arithmetic number, because the mean of its divisors is an integer number (12903711906).

Almost surely, 2^51614847618 is an apocalyptic number.

51614847618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51614847618 is a wasteful number, since it uses less digits than its factorization.

51614847618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8602474608.

The product of its digits is 1290240, while the sum is 51.

The spelling of 51614847618 in words is "fifty-one billion, six hundred fourteen million, eight hundred forty-seven thousand, six hundred eighteen".