51266510162164 has 36 divisors (see below), whose sum is σ = 103294723730688. Its totient is φ = 22076487622800.

The previous prime is 51266510162159. The next prime is 51266510162173. The reversal of 51266510162164 is 46126101566215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1613762452 + ... + 1613794219.

It is an arithmetic number, because the mean of its divisors is an integer number (2869297881408).

Almost surely, 2^{51266510162164} is an apocalyptic number.

It is an amenable number.

51266510162164 is an abundant number, since it is smaller than the sum of its proper divisors (52028213568524).

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

51266510162164 is a wasteful number, since it uses less digits than its factorization.

51266510162164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227556724 (or 3227556703 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 51266510162164 in words is "fifty-one trillion, two hundred sixty-six billion, five hundred ten million, one hundred sixty-two thousand, one hundred sixty-four".