102394865664 has 1728 divisors, whose sum is σ = 428213822400. Its totient is φ = 24078974976.

The previous prime is 102394865609. The next prime is 102394865687. The reversal of 102394865664 is 466568493201.

102394865664 is a `hidden beast` number, since 1 + 0 + 2 + 39 + 48 + 6 + 566 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (1728).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 102394865664.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5389203447 + ... + 5389203465.

It is an arithmetic number, because the mean of its divisors is an integer number (247808925).

Almost surely, 2^102394865664 is an apocalyptic number.

102394865664 is a gapful number since it is divisible by the number (14) 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 102394865664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214106911200).

102394865664 is an abundant number, since it is smaller than the sum of its proper divisors (325818956736).

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

102394865664 is a wasteful number, since it uses less digits than its factorization.

102394865664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 102394865664 in words is "one hundred two billion, three hundred ninety-four million, eight hundred sixty-five thousand, six hundred sixty-four".