66602466600 has 48 divisors (see below), whose sum is σ = 206467648320. Its totient is φ = 17760657600.

The previous prime is 66602466559. The next prime is 66602466647. The reversal of 66602466600 is 666420666.

It is a happy number.

66602466600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55501456 + ... + 55502655.

It is an arithmetic number, because the mean of its divisors is an integer number (4301409340).

Almost surely, 2^66602466600 is an apocalyptic number.

66602466600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66602466600 is an abundant number, since it is smaller than the sum of its proper divisors (139865181720).

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

66602466600 is a wasteful number, since it uses less digits than its factorization.

66602466600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111004130 (or 111004121 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 42.

The spelling of 66602466600 in words is "sixty-six billion, six hundred two million, four hundred sixty-six thousand, six hundred".