102666389432832 has 60 divisors (see below), whose sum is σ = 296302151286570. Its totient is φ = 34222129809408.

The previous prime is 102666389432819. The next prime is 102666389432843. The reversal of 102666389432832 is 238234983666201.

It can be written as a sum of positive squares in only one way, i.e., 95004476856576 + 7661912576256 = 9747024^2 + 2768016^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102666389432832.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11140011607 + ... + 11140020822.

Almost surely, 2^{102666389432832} is an apocalyptic number.

102666389432832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102666389432832 is an abundant number, since it is smaller than the sum of its proper divisors (193635761853738).

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

102666389432832 is an equidigital number, since it uses as much as digits as its factorization.

102666389432832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22280032453 (or 22280032434 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 63.

The spelling of 102666389432832 in words is "one hundred two trillion, six hundred sixty-six billion, three hundred eighty-nine million, four hundred thirty-two thousand, eight hundred thirty-two".