51760522161 has 12 divisors (see below), whose sum is σ = 74773508992. Its totient is φ = 34503179256.

The previous prime is 51760522141. The next prime is 51760522193. The reversal of 51760522161 is 16122506715.

51760522161 is a `hidden beast` number, since 5 + 1 + 76 + 0 + 522 + 1 + 61 = 666.

It is not a de Polignac number, because 51760522161 - 2⁶ = 51760522097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51760522111) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 232921 + ... + 397206.

Almost surely, 2^51760522161 is an apocalyptic number.

It is an amenable number.

51760522161 is a deficient number, since it is larger than the sum of its proper divisors (23012986831).

51760522161 is a wasteful number, since it uses less digits than its factorization.

51760522161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639260 (or 639257 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 51760522161 in words is "fifty-one billion, seven hundred sixty million, five hundred twenty-two thousand, one hundred sixty-one".