117851630 has 32 divisors (see below), whose sum is σ = 234033408. Its totient is φ = 42451200.

The previous prime is 117851627. The next prime is 117851659. The reversal of 117851630 is 36158711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5726 + ... + 16385.

It is an arithmetic number, because the mean of its divisors is an integer number (7313544).

Almost surely, 2^117851630 is an apocalyptic number.

117851630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117851630 is a deficient number, since it is larger than the sum of its proper divisors (116181778).

117851630 is a wasteful number, since it uses less digits than its factorization.

117851630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22172.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 117851630 is about 10855.9490603079. The cubic root of 117851630 is about 490.2811519915.

The spelling of 117851630 in words is "one hundred seventeen million, eight hundred fifty-one thousand, six hundred thirty".