66100166 has 8 divisors (see below), whose sum is σ = 108163944. Its totient is φ = 30045520.

The previous prime is 66100117. The next prime is 66100187.

66100166 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1502255 + ... + 1502298.

It is an arithmetic number, because the mean of its divisors is an integer number (13520493).

Almost surely, 2^66100166 is an apocalyptic number.

66100166 is a deficient number, since it is larger than the sum of its proper divisors (42063778).

66100166 is a wasteful number, since it uses less digits than its factorization.

66100166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004566.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 66100166 is about 8130.2008585274. The cubic root of 66100166 is about 404.3283405669.

It can be divided in two parts, 66100 and 166, that added together give a palindrome (66266).

The spelling of 66100166 in words is "sixty-six million, one hundred thousand, one hundred sixty-six".