51606505160 has 32 divisors (see below), whose sum is σ = 132702442560. Its totient is φ = 17693658816.

The previous prime is 51606505151. The next prime is 51606505177. The reversal of 51606505160 is 6150560615.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 51606505160.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92154194 + ... + 92154753.

It is an arithmetic number, because the mean of its divisors is an integer number (4146951330).

Almost surely, 2^51606505160 is an apocalyptic number.

It is an amenable number.

51606505160 is an abundant number, since it is smaller than the sum of its proper divisors (81095937400).

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

51606505160 is a wasteful number, since it uses less digits than its factorization.

51606505160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184308965 (or 184308961 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 51606505160 in words is "fifty-one billion, six hundred six million, five hundred five thousand, one hundred sixty".