102909168 has 120 divisors (see below), whose sum is σ = 313856400. Its totient is φ = 31352832.

The previous prime is 102909167. The next prime is 102909217. The reversal of 102909168 is 861909201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102909161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78696 + ... + 79992.

It is an arithmetic number, because the mean of its divisors is an integer number (2615470).

Almost surely, 2^102909168 is an apocalyptic number.

102909168 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 102909168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156928200).

102909168 is an abundant number, since it is smaller than the sum of its proper divisors (210947232).

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

102909168 is a wasteful number, since it uses less digits than its factorization.

102909168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359 (or 1350 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 102909168 is about 10144.4156066281. The cubic root of 102909168 is about 468.6169815632.

The spelling of 102909168 in words is "one hundred two million, nine hundred nine thousand, one hundred sixty-eight".