102550505664 has 112 divisors (see below), whose sum is σ = 272907471456. Its totient is φ = 33985536000.

The previous prime is 102550505647. The next prime is 102550505711. The reversal of 102550505664 is 466505055201.

It is a happy number.

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, 27707014 + ... + 27710714.

Almost surely, 2^102550505664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102550505664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136453735728).

102550505664 is an abundant number, since it is smaller than the sum of its proper divisors (170356965792).

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

102550505664 is a wasteful number, since it uses less digits than its factorization.

102550505664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514 (or 4504 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 102550505664 in words is "one hundred two billion, five hundred fifty million, five hundred five thousand, six hundred sixty-four".