117851612 has 12 divisors (see below), whose sum is σ = 206565576. Its totient is φ = 58832880.

The previous prime is 117851611. The next prime is 117851627. The reversal of 117851612 is 216158711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117851611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20339 + ... + 25482.

It is an arithmetic number, because the mean of its divisors is an integer number (17213798).

Almost surely, 2^117851612 is an apocalyptic number.

It is an amenable number.

117851612 is a deficient number, since it is larger than the sum of its proper divisors (88713964).

117851612 is a wasteful number, since it uses less digits than its factorization.

117851612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46468 (or 46466 counting only the distinct ones).

The product of its digits is 3360, while the sum is 32.

The square root of 117851612 is about 10855.9482312693. The cubic root of 117851612 is about 490.2811270306.

The spelling of 117851612 in words is "one hundred seventeen million, eight hundred fifty-one thousand, six hundred twelve".