66230377320 has 64 divisors (see below), whose sum is σ = 198880920000. Its totient is φ = 17644563968.

The previous prime is 66230377303. The next prime is 66230377331. The reversal of 66230377320 is 2377303266.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137190 + ... + 388949.

It is an arithmetic number, because the mean of its divisors is an integer number (3107514375).

Almost surely, 2^66230377320 is an apocalyptic number.

66230377320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66230377320 is an abundant number, since it is smaller than the sum of its proper divisors (132650542680).

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

66230377320 is a wasteful number, since it uses less digits than its factorization.

66230377320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527202 (or 527198 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 39.

The spelling of 66230377320 in words is "sixty-six billion, two hundred thirty million, three hundred seventy-seven thousand, three hundred twenty".