51333166 has 16 divisors (see below), whose sum is σ = 81694656. Its totient is φ = 24107776.

The previous prime is 51333133. The next prime is 51333167. The reversal of 51333166 is 66133315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51333167) 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, 19755 + ... + 22201.

It is an arithmetic number, because the mean of its divisors is an integer number (5105916).

Almost surely, 2^51333166 is an apocalyptic number.

51333166 is a deficient number, since it is larger than the sum of its proper divisors (30361490).

51333166 is a wasteful number, since it uses less digits than its factorization.

51333166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083.

The product of its digits is 4860, while the sum is 28.

The square root of 51333166 is about 7164.7167424819. The cubic root of 51333166 is about 371.6487560214.

The spelling of 51333166 in words is "fifty-one million, three hundred thirty-three thousand, one hundred sixty-six".