51716415212446 has 16 divisors (see below), whose sum is σ = 81939286522368. Its totient is φ = 24442116715800.

The previous prime is 51716415212437. The next prime is 51716415212557. The reversal of 51716415212446 is 64421251461715.

It is a super-2 number, since 2×51716415212446² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51716415212446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9699250000 + ... + 9699255331.

It is an arithmetic number, because the mean of its divisors is an integer number (5121205407648).

Almost surely, 2^{51716415212446} is an apocalyptic number.

51716415212446 is a deficient number, since it is larger than the sum of its proper divisors (30222871309922).

51716415212446 is a wasteful number, since it uses less digits than its factorization.

51716415212446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19398505407.

The product of its digits is 1612800, while the sum is 49.

The spelling of 51716415212446 in words is "fifty-one trillion, seven hundred sixteen billion, four hundred fifteen million, two hundred twelve thousand, four hundred forty-six".