66908341900 has 18 divisors (see below), whose sum is σ = 145191102140. Its totient is φ = 26763336720.

The previous prime is 66908341867. The next prime is 66908341909. The reversal of 66908341900 is 914380966.

It is a super-2 number, since 2×66908341900² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66908341909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 334541610 + ... + 334541809.

Almost surely, 2^66908341900 is an apocalyptic number.

It is an amenable number.

66908341900 is an abundant number, since it is smaller than the sum of its proper divisors (78282760240).

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

66908341900 is a wasteful number, since it uses less digits than its factorization.

66908341900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669083433 (or 669083426 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 66908341900 in words is "sixty-six billion, nine hundred eight million, three hundred forty-one thousand, nine hundred".