51716003156 has 12 divisors (see below), whose sum is σ = 90521371668. Its totient is φ = 25852754112.

The previous prime is 51716003147. The next prime is 51716003167. The reversal of 51716003156 is 65130061715.

It can be written as a sum of positive squares in 2 ways, for example, as 7735202500 + 43980800656 = 87950^2 + 209716^2 .

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, 1289651 + ... + 1329146.

It is an arithmetic number, because the mean of its divisors is an integer number (7543447639).

Almost surely, 2^51716003156 is an apocalyptic number.

It is an amenable number.

51716003156 is a deficient number, since it is larger than the sum of its proper divisors (38805368512).

51716003156 is a wasteful number, since it uses less digits than its factorization.

51716003156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623738 (or 2623736 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 35.

The spelling of 51716003156 in words is "fifty-one billion, seven hundred sixteen million, three thousand, one hundred fifty-six".