66104146 has 8 divisors (see below), whose sum is σ = 99318780. Its totient is φ = 32997888.

The previous prime is 66104117. The next prime is 66104153. The reversal of 66104146 is 64140166.

It can be written as a sum of positive squares in 2 ways, for example, as 48790225 + 17313921 = 6985^2 + 4161^2 .

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

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, 25551 + ... + 28018.

Almost surely, 2^66104146 is an apocalyptic number.

66104146 is a deficient number, since it is larger than the sum of its proper divisors (33214634).

66104146 is a wasteful number, since it uses less digits than its factorization.

66104146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54188.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 66104146 is about 8130.4456212436. The cubic root of 66104146 is about 404.3364554960.

The spelling of 66104146 in words is "sixty-six million, one hundred four thousand, one hundred forty-six".