66602858088 has 48 divisors (see below), whose sum is σ = 180300647520. Its totient is φ = 20493185856.

The previous prime is 66602858057. The next prime is 66602858099. The reversal of 66602858088 is 88085820666.

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, 8206356 + ... + 8214467.

It is an arithmetic number, because the mean of its divisors is an integer number (3756263490).

Almost surely, 2^66602858088 is an apocalyptic number.

It is an amenable number.

66602858088 is an abundant number, since it is smaller than the sum of its proper divisors (113697789432).

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

66602858088 is a wasteful number, since it uses less digits than its factorization.

66602858088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16420858 (or 16420841 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 57.

The spelling of 66602858088 in words is "sixty-six billion, six hundred two million, eight hundred fifty-eight thousand, eighty-eight".