117160428 has 72 divisors (see below), whose sum is σ = 343442176. Its totient is φ = 30428640.

The previous prime is 117160391. The next prime is 117160469. The reversal of 117160428 is 824061711.

It is a super-4 number, since 4×117160428⁴ (a number of 33 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 117160395 and 117160404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4401 + ... + 15927.

Almost surely, 2^117160428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117160428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171721088).

117160428 is an abundant number, since it is smaller than the sum of its proper divisors (226281748).

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

117160428 is a wasteful number, since it uses less digits than its factorization.

117160428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11563 (or 11550 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 117160428 is about 10824.0670729629. The cubic root of 117160428 is about 489.3207692940.

The spelling of 117160428 in words is "one hundred seventeen million, one hundred sixty thousand, four hundred twenty-eight".