51166515616046 has 16 divisors (see below), whose sum is σ = 81440744671440. Its totient is φ = 24026129566080.

The previous prime is 51166515616037. The next prime is 51166515616049. The reversal of 51166515616046 is 64061651566115.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51166515616049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1632194216 + ... + 1632225563.

It is an arithmetic number, because the mean of its divisors is an integer number (5090046541965).

Almost surely, 2^{51166515616046} is an apocalyptic number.

51166515616046 is a deficient number, since it is larger than the sum of its proper divisors (30274229055394).

51166515616046 is a wasteful number, since it uses less digits than its factorization.

51166515616046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264420259.

The product of its (nonzero) digits is 3888000, while the sum is 53.

The spelling of 51166515616046 in words is "fifty-one trillion, one hundred sixty-six billion, five hundred fifteen million, six hundred sixteen thousand, forty-six".