51162666 has 16 divisors (see below), whose sum is σ = 102633024. Its totient is φ = 17002944.

The previous prime is 51162653. The next prime is 51162677. The reversal of 51162666 is 66626115.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10630 + ... + 14673.

It is an arithmetic number, because the mean of its divisors is an integer number (6414564).

Almost surely, 2^51162666 is an apocalyptic number.

51162666 is an abundant number, since it is smaller than the sum of its proper divisors (51470358).

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

51162666 is a wasteful number, since it uses less digits than its factorization.

51162666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25645.

The product of its digits is 12960, while the sum is 33.

The square root of 51162666 is about 7152.8082596977. The cubic root of 51162666 is about 371.2368300150.

The spelling of 51162666 in words is "fifty-one million, one hundred sixty-two thousand, six hundred sixty-six".