117161853 has 8 divisors (see below), whose sum is σ = 159163488. Its totient is φ = 76634064.

The previous prime is 117161833. The next prime is 117161873. The reversal of 117161853 is 358161711.

It is an interprime number because it is at equal distance from previous prime (117161833) and next prime (117161873).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-117161853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117161833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368275 + ... + 368592.

It is an arithmetic number, because the mean of its divisors is an integer number (19895436).

Almost surely, 2^117161853 is an apocalyptic number.

It is an amenable number.

117161853 is a deficient number, since it is larger than the sum of its proper divisors (42001635).

117161853 is an equidigital number, since it uses as much as digits as its factorization.

117161853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736923.

The product of its digits is 5040, while the sum is 33.

The square root of 117161853 is about 10824.1328982972. The cubic root of 117161853 is about 489.3227531244.

The spelling of 117161853 in words is "one hundred seventeen million, one hundred sixty-one thousand, eight hundred fifty-three".