117649660 has 24 divisors (see below), whose sum is σ = 247450896. Its totient is φ = 46986240.

The previous prime is 117649657. The next prime is 117649661. The reversal of 117649660 is 66946711.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117649661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9564 + ... + 18076.

It is an arithmetic number, because the mean of its divisors is an integer number (10310454).

Almost surely, 2^117649660 is an apocalyptic number.

117649660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117649660 is an abundant number, since it is smaller than the sum of its proper divisors (129801236).

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

117649660 is a wasteful number, since it uses less digits than its factorization.

117649660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9213 (or 9211 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 117649660 is about 10846.6427985806. The cubic root of 117649660 is about 490.0009162832. Note that the first 3 decimals are identical.

The spelling of 117649660 in words is "one hundred seventeen million, six hundred forty-nine thousand, six hundred sixty".