51161676 has 48 divisors (see below), whose sum is σ = 124679520. Its totient is φ = 16312320.

The previous prime is 51161659. The next prime is 51161681. The reversal of 51161676 is 67616115.

It is a super-2 number, since 2×51161676² = 5235034182257952, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26140 + ... + 28028.

It is an arithmetic number, because the mean of its divisors is an integer number (2597490).

Almost surely, 2^51161676 is an apocalyptic number.

It is an amenable number.

51161676 is an abundant number, since it is smaller than the sum of its proper divisors (73517844).

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

51161676 is a wasteful number, since it uses less digits than its factorization.

51161676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994 (or 1992 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 51161676 is about 7152.7390557744. The cubic root of 51161676 is about 371.2344355161.

The spelling of 51161676 in words is "fifty-one million, one hundred sixty-one thousand, six hundred seventy-six".