102256668 has 60 divisors (see below), whose sum is σ = 276562440. Its totient is φ = 32907168.

The previous prime is 102256621. The next prime is 102256681. The reversal of 102256668 is 866652201.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3955 + ... + 14837.

It is an arithmetic number, because the mean of its divisors is an integer number (4609374).

Almost surely, 2^102256668 is an apocalyptic number.

102256668 is a gapful number since it is divisible by the number (18) 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 102256668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138281220).

102256668 is an abundant number, since it is smaller than the sum of its proper divisors (174305772).

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

102256668 is a wasteful number, since it uses less digits than its factorization.

102256668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10928 (or 10917 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 102256668 is about 10112.2039140832. The cubic root of 102256668 is about 467.6244521729.

The spelling of 102256668 in words is "one hundred two million, two hundred fifty-six thousand, six hundred sixty-eight".