51164328468120 has 128 divisors (see below), whose sum is σ = 176470977715200. Its totient is φ = 11624675452416.

The previous prime is 51164328468107. The next prime is 51164328468137. The reversal of 51164328468120 is 2186482346115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182224735 + ... + 182505294.

It is an arithmetic number, because the mean of its divisors is an integer number (1378679513400).

Almost surely, 2^{51164328468120} is an apocalyptic number.

It is an amenable number.

51164328468120 is an abundant number, since it is smaller than the sum of its proper divisors (125306649247080).

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

51164328468120 is a wasteful number, since it uses less digits than its factorization.

51164328468120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364730217 (or 364730213 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 51164328468120 in words is "fifty-one trillion, one hundred sixty-four billion, three hundred twenty-eight million, four hundred sixty-eight thousand, one hundred twenty".