117228664 has 64 divisors (see below), whose sum is σ = 260409600. Its totient is φ = 48432384.

The previous prime is 117228637. The next prime is 117228673. The reversal of 117228664 is 466822711.

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, 214039 + ... + 214585.

It is an arithmetic number, because the mean of its divisors is an integer number (4068900).

Almost surely, 2^117228664 is an apocalyptic number.

117228664 is a gapful number since it is divisible by the number (14) 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 117228664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130204800).

117228664 is an abundant number, since it is smaller than the sum of its proper divisors (143180936).

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

117228664 is a wasteful number, since it uses less digits than its factorization.

117228664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 688 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 117228664 is about 10827.2186640891. The cubic root of 117228664 is about 489.4157467892.

The spelling of 117228664 in words is "one hundred seventeen million, two hundred twenty-eight thousand, six hundred sixty-four".