117545660 has 48 divisors (see below), whose sum is σ = 255230976. Its totient is φ = 45444672.

The previous prime is 117545629. The next prime is 117545669. The reversal of 117545660 is 66545711.

It is a self number, because there is not a number n which added to its sum of digits gives 117545660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117545669) 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 15 ways as a sum of consecutive naturals, for example, 87917 + ... + 89243.

It is an arithmetic number, because the mean of its divisors is an integer number (5317312).

Almost surely, 2^117545660 is an apocalyptic number.

117545660 is a gapful number since it is divisible by the number (10) 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 117545660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127615488).

117545660 is an abundant number, since it is smaller than the sum of its proper divisors (137685316).

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

117545660 is a wasteful number, since it uses less digits than its factorization.

117545660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482 (or 1480 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 117545660 is about 10841.8476285179. The cubic root of 117545660 is about 489.8564899738.

The spelling of 117545660 in words is "one hundred seventeen million, five hundred forty-five thousand, six hundred sixty".