66245106 has 32 divisors (see below), whose sum is σ = 143026560. Its totient is φ = 20392064.

The previous prime is 66245099. The next prime is 66245143. The reversal of 66245106 is 60154266.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4275 + ... + 12278.

It is an arithmetic number, because the mean of its divisors is an integer number (4469580).

Almost surely, 2^66245106 is an apocalyptic number.

66245106 is an abundant number, since it is smaller than the sum of its proper divisors (76781454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66245106 is a wasteful number, since it uses less digits than its factorization.

66245106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16610.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 66245106 is about 8139.1096564673. The cubic root of 66245106 is about 404.6236528255.

The spelling of 66245106 in words is "sixty-six million, two hundred forty-five thousand, one hundred six".