66173102 has 16 divisors (see below), whose sum is σ = 102092400. Its totient is φ = 32155200.

The previous prime is 66173101. The next prime is 66173117. The reversal of 66173102 is 20137166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66173101) 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, 7352 + ... + 13652.

It is an arithmetic number, because the mean of its divisors is an integer number (6380775).

Almost surely, 2^66173102 is an apocalyptic number.

66173102 is a deficient number, since it is larger than the sum of its proper divisors (35919298).

66173102 is a wasteful number, since it uses less digits than its factorization.

66173102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6451.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 66173102 is about 8134.6851199048. The cubic root of 66173102 is about 404.4770000618.

The spelling of 66173102 in words is "sixty-six million, one hundred seventy-three thousand, one hundred two".