102550165351620 has 288 divisors, whose sum is σ = 340163127980928. Its totient is φ = 23011367436288.

The previous prime is 102550165351567. The next prime is 102550165351661. The reversal of 102550165351620 is 26153561055201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 56826724 + ... + 58603556.

It is an arithmetic number, because the mean of its divisors is an integer number (1181121972156).

Almost surely, 2^{102550165351620} is an apocalyptic number.

102550165351620 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 102550165351620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170081563990464).

102550165351620 is an abundant number, since it is smaller than the sum of its proper divisors (237612962629308).

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

102550165351620 is a wasteful number, since it uses less digits than its factorization.

102550165351620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777219 (or 1777210 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 102550165351620 in words is "one hundred two trillion, five hundred fifty billion, one hundred sixty-five million, three hundred fifty-one thousand, six hundred twenty".