117161400 has 96 divisors (see below), whose sum is σ = 374976000. Its totient is φ = 30230400.

The previous prime is 117161393. The next prime is 117161411. The reversal of 117161400 is 4161711.

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, 15451 + ... + 21749.

It is an arithmetic number, because the mean of its divisors is an integer number (3906000).

Almost surely, 2^117161400 is an apocalyptic number.

117161400 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 117161400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187488000).

117161400 is an abundant number, since it is smaller than the sum of its proper divisors (257814600).

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

117161400 is a wasteful number, since it uses less digits than its factorization.

117161400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6349 (or 6340 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 117161400 is about 10824.1119728133. Note that the first 3 decimals coincide. The cubic root of 117161400 is about 489.3221224769.

The spelling of 117161400 in words is "one hundred seventeen million, one hundred sixty-one thousand, four hundred".