51166055264 has 24 divisors (see below), whose sum is σ = 100796905440. Its totient is φ = 25566841216.

The previous prime is 51166055243. The next prime is 51166055267. The reversal of 51166055264 is 46255066115.

51166055264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51166055264² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51166055267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454379 + ... + 555690.

It is an arithmetic number, because the mean of its divisors is an integer number (4199871060).

Almost surely, 2^51166055264 is an apocalyptic number.

It is an amenable number.

51166055264 is a deficient number, since it is larger than the sum of its proper divisors (49630850176).

51166055264 is a wasteful number, since it uses less digits than its factorization.

51166055264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011662 (or 1011654 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 51166055264 in words is "fifty-one billion, one hundred sixty-six million, fifty-five thousand, two hundred sixty-four".