102218637696 has 128 divisors (see below), whose sum is σ = 310770466560. Its totient is φ = 29161666560.

The previous prime is 102218637667. The next prime is 102218637727. The reversal of 102218637696 is 696736812201.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×102218637696² (a number of 23 digits) contains 22 as substring.

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, 1791691 + ... + 1847861.

It is an arithmetic number, because the mean of its divisors is an integer number (2427894270).

Almost surely, 2^102218637696 is an apocalyptic number.

102218637696 is a gapful number since it is divisible by the number (16) 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 102218637696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155385233280).

102218637696 is an abundant number, since it is smaller than the sum of its proper divisors (208551828864).

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

102218637696 is an equidigital number, since it uses as much as digits as its factorization.

102218637696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56872 (or 56860 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 102218637696 in words is "one hundred two billion, two hundred eighteen million, six hundred thirty-seven thousand, six hundred ninety-six".