66662102 has 8 divisors (see below), whose sum is σ = 107684976. Its totient is φ = 30767112.

The previous prime is 66662093. The next prime is 66662137. The reversal of 66662102 is 20126666.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1281938 + ... + 1281989.

It is an arithmetic number, because the mean of its divisors is an integer number (13460622).

Almost surely, 2^66662102 is an apocalyptic number.

66662102 is a deficient number, since it is larger than the sum of its proper divisors (41022874).

66662102 is a wasteful number, since it uses less digits than its factorization.

66662102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563942.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 66662102 is about 8164.6862768878. The cubic root of 66662102 is about 405.4708784188.

Adding to 66662102 its reverse (20126666), we get a palindrome (86788768).

The spelling of 66662102 in words is "sixty-six million, six hundred sixty-two thousand, one hundred two".