66699225614308 has 24 divisors (see below), whose sum is σ = 134293742856000. Its totient is φ = 28393534200288.

The previous prime is 66699225614257. The next prime is 66699225614327. The reversal of 66699225614308 is 80341652299666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7993670998 + ... + 7993679341.

It is an arithmetic number, because the mean of its divisors is an integer number (5595572619000).

Almost surely, 2^{66699225614308} is an apocalyptic number.

It is an amenable number.

66699225614308 is an abundant number, since it is smaller than the sum of its proper divisors (67594517241692).

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

66699225614308 is a wasteful number, since it uses less digits than its factorization.

66699225614308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15987350499 (or 15987350497 counting only the distinct ones).

The product of its (nonzero) digits is 201553920, while the sum is 67.

The spelling of 66699225614308 in words is "sixty-six trillion, six hundred ninety-nine billion, two hundred twenty-five million, six hundred fourteen thousand, three hundred eight".