51133166 has 12 divisors (see below), whose sum is σ = 89222328. Its totient is φ = 21914172.

The previous prime is 51133111. The next prime is 51133171. The reversal of 51133166 is 66133115.

It is a super-2 number, since 2×51133166² = 5229201330367112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 260786 + ... + 260981.

It is an arithmetic number, because the mean of its divisors is an integer number (7435194).

Almost surely, 2^51133166 is an apocalyptic number.

51133166 is a deficient number, since it is larger than the sum of its proper divisors (38089162).

51133166 is a wasteful number, since it uses less digits than its factorization.

51133166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521783 (or 521776 counting only the distinct ones).

The product of its digits is 1620, while the sum is 26.

The square root of 51133166 is about 7150.7458352259. The cubic root of 51133166 is about 371.1654655295.

The spelling of 51133166 in words is "fifty-one million, one hundred thirty-three thousand, one hundred sixty-six".