117066520 has 64 divisors (see below), whose sum is σ = 274065120. Its totient is φ = 44964864.

The previous prime is 117066497. The next prime is 117066529. The reversal of 117066520 is 25660711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117066529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122364 + ... + 123316.

Almost surely, 2^117066520 is an apocalyptic number.

117066520 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 117066520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137032560).

117066520 is an abundant number, since it is smaller than the sum of its proper divisors (156998600).

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

117066520 is a wasteful number, since it uses less digits than its factorization.

117066520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 117066520 is about 10819.7282775493. The cubic root of 117066520 is about 489.1899986968.

The spelling of 117066520 in words is "one hundred seventeen million, sixty-six thousand, five hundred twenty".