51162166 has 16 divisors (see below), whose sum is σ = 87360768. Its totient is φ = 22244200.

The previous prime is 51162151. The next prime is 51162169. The reversal of 51162166 is 66126115.

It is a super-3 number, since 3×51162166³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51162169) 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, 50050 + ... + 51061.

It is an arithmetic number, because the mean of its divisors is an integer number (5460048).

Almost surely, 2^51162166 is an apocalyptic number.

51162166 is a deficient number, since it is larger than the sum of its proper divisors (36198602).

51162166 is a wasteful number, since it uses less digits than its factorization.

51162166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101147.

The product of its digits is 2160, while the sum is 28.

The square root of 51162166 is about 7152.7733083050. The cubic root of 51162166 is about 371.2356206760.

The spelling of 51162166 in words is "fifty-one million, one hundred sixty-two thousand, one hundred sixty-six".