102298999680 has 256 divisors, whose sum is σ = 367276622400. Its totient is φ = 26905706496.

The previous prime is 102298999679. The next prime is 102298999703. The reversal of 102298999680 is 86999892201.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1220892 + ... + 1301988.

Almost surely, 2^102298999680 is an apocalyptic number.

102298999680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102298999680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183638311200).

102298999680 is an abundant number, since it is smaller than the sum of its proper divisors (264977622720).

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

102298999680 is an equidigital number, since it uses as much as digits as its factorization.

102298999680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81198 (or 81180 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 63.

The spelling of 102298999680 in words is "one hundred two billion, two hundred ninety-eight million, nine hundred ninety-nine thousand, six hundred eighty".