66164195 has 8 divisors (see below), whose sum is σ = 79930800. Its totient is φ = 52575520.

The previous prime is 66164183. The next prime is 66164239. The reversal of 66164195 is 59146166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66164195 - 2⁴ = 66164179 is a prime.

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, 43661 + ... + 45150.

It is an arithmetic number, because the mean of its divisors is an integer number (9991350).

Almost surely, 2^66164195 is an apocalyptic number.

66164195 is a deficient number, since it is larger than the sum of its proper divisors (13766605).

66164195 is a wasteful number, since it uses less digits than its factorization.

66164195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88965.

The product of its digits is 38880, while the sum is 38.

The square root of 66164195 is about 8134.1376309969. The cubic root of 66164195 is about 404.4588515080.

The spelling of 66164195 in words is "sixty-six million, one hundred sixty-four thousand, one hundred ninety-five".