66300166 has 4 divisors (see below), whose sum is σ = 99450252. Its totient is φ = 33150082.

The previous prime is 66300163. The next prime is 66300167. The reversal of 66300166 is 66100366.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66300163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16575040 + ... + 16575043.

It is an arithmetic number, because the mean of its divisors is an integer number (24862563).

Almost surely, 2^66300166 is an apocalyptic number.

66300166 is a deficient number, since it is larger than the sum of its proper divisors (33150086).

66300166 is a wasteful number, since it uses less digits than its factorization.

66300166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33150085.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 66300166 is about 8142.4913877756. The cubic root of 66300166 is about 404.7357235388.

It can be divided in two parts, 66300 and 166, that added together give a palindrome (66466).

The spelling of 66300166 in words is "sixty-six million, three hundred thousand, one hundred sixty-six".