51614890416 has 80 divisors (see below), whose sum is σ = 148182365920. Its totient is φ = 17201652480.

The previous prime is 51614890361. The next prime is 51614890429. The reversal of 51614890416 is 61409841615.

51614890416 is a `hidden beast` number, since 5 + 1 + 6 + 148 + 90 + 416 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3419526 + ... + 3434586.

It is an arithmetic number, because the mean of its divisors is an integer number (1852279574).

Almost surely, 2^51614890416 is an apocalyptic number.

It is an amenable number.

51614890416 is an abundant number, since it is smaller than the sum of its proper divisors (96567475504).

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

51614890416 is a wasteful number, since it uses less digits than its factorization.

51614890416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23011 (or 22999 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 51614890416 in words is "fifty-one billion, six hundred fourteen million, eight hundred ninety thousand, four hundred sixteen".