66662462208 has 36 divisors (see below), whose sum is σ = 177419367608. Its totient is φ = 22220820480.

The previous prime is 66662462203. The next prime is 66662462231. The reversal of 66662462208 is 80226426666.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (66662462203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43399273 + ... + 43400808.

Almost surely, 2^66662462208 is an apocalyptic number.

It is an amenable number.

66662462208 is an abundant number, since it is smaller than the sum of its proper divisors (110756905400).

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

66662462208 is an equidigital number, since it uses as much as digits as its factorization.

66662462208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86800100 (or 86800086 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 66662462208 in words is "sixty-six billion, six hundred sixty-two million, four hundred sixty-two thousand, two hundred eight".