51162885673 has 8 divisors (see below), whose sum is σ = 52970649480. Its totient is φ = 49358023680.

The previous prime is 51162885659. The next prime is 51162885689. The reversal of 51162885673 is 37658826115.

It can be written as a sum of positive squares in 4 ways, for example, as 15588021904 + 35574863769 = 124852^2 + 188613^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51162885673 - 2³³ = 42572951081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51162885673.

It is not an unprimeable number, because it can be changed into a prime (51162885623) 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, 689538 + ... + 760123.

It is an arithmetic number, because the mean of its divisors is an integer number (6621331185).

Almost surely, 2^51162885673 is an apocalyptic number.

It is an amenable number.

51162885673 is a deficient number, since it is larger than the sum of its proper divisors (1807763807).

51162885673 is a wasteful number, since it uses less digits than its factorization.

51162885673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450907.

The product of its digits is 2419200, while the sum is 52.

The spelling of 51162885673 in words is "fifty-one billion, one hundred sixty-two million, eight hundred eighty-five thousand, six hundred seventy-three".