102260797648 has 80 divisors (see below), whose sum is σ = 205721436160. Its totient is φ = 49191753600.

The previous prime is 102260797567. The next prime is 102260797657. The reversal of 102260797648 is 846797062201.

It is a junction number, because it is equal to n+sod(n) for n = 102260797595 and 102260797604.

It is a congruent 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, 79953073 + ... + 79954351.

It is an arithmetic number, because the mean of its divisors is an integer number (2571517952).

Almost surely, 2^102260797648 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 102260797648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102860718080).

102260797648 is an abundant number, since it is smaller than the sum of its proper divisors (103460638512).

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

102260797648 is a wasteful number, since it uses less digits than its factorization.

102260797648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136 (or 2130 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 102260797648 in words is "one hundred two billion, two hundred sixty million, seven hundred ninety-seven thousand, six hundred forty-eight".