117083681 has 16 divisors (see below), whose sum is σ = 144795840. Its totient is φ = 93078720.

The previous prime is 117083663. The next prime is 117083693. The reversal of 117083681 is 186380711.

It is a de Polignac number, because none of the positive numbers 2^k-117083681 is a prime.

It is a super-2 number, since 2×117083681² = 27417176713019522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117083611) 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, 18830 + ... + 24263.

It is an arithmetic number, because the mean of its divisors is an integer number (9049740).

Almost surely, 2^117083681 is an apocalyptic number.

117083681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117083681 is a deficient number, since it is larger than the sum of its proper divisors (27712159).

117083681 is a wasteful number, since it uses less digits than its factorization.

117083681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43136.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 117083681 is about 10820.5212905848. The cubic root of 117083681 is about 489.2139012877.

The spelling of 117083681 in words is "one hundred seventeen million, eighty-three thousand, six hundred eighty-one".