51160986 has 24 divisors (see below), whose sum is σ = 111181824. Its totient is φ = 17002440.

The previous prime is 51160961. The next prime is 51160997. The reversal of 51160986 is 68906115.

51160986 is a `hidden beast` number, since 511 + 60 + 9 + 86 = 666.

51160986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51160986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2151 + ... + 10341.

It is an arithmetic number, because the mean of its divisors is an integer number (4632576).

Almost surely, 2^51160986 is an apocalyptic number.

51160986 is an abundant number, since it is smaller than the sum of its proper divisors (60020838).

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

51160986 is a wasteful number, since it uses less digits than its factorization.

51160986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8546 (or 8543 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 51160986 is about 7152.6908223409. The cubic root of 51160986 is about 371.2327666047.

The spelling of 51160986 in words is "fifty-one million, one hundred sixty thousand, nine hundred eighty-six".