51406462164620 has 48 divisors (see below), whose sum is σ = 108000189108000. Its totient is φ = 20553706467840.

The previous prime is 51406462164583. The next prime is 51406462164623. The reversal of 51406462164620 is 2646126460415.

It is not an unprimeable number, because it can be changed into a prime (51406462164623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766986710 + ... + 767053730.

It is an arithmetic number, because the mean of its divisors is an integer number (2250003939750).

Almost surely, 2^{51406462164620} is an apocalyptic number.

It is an amenable number.

51406462164620 is an abundant number, since it is smaller than the sum of its proper divisors (56593726943380).

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

51406462164620 is a wasteful number, since it uses less digits than its factorization.

51406462164620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83018 (or 83016 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 51406462164620 in words is "fifty-one trillion, four hundred six billion, four hundred sixty-two million, one hundred sixty-four thousand, six hundred twenty".