117171634 has 16 divisors (see below), whose sum is σ = 177899328. Its totient is φ = 57875152.

The previous prime is 117171619. The next prime is 117171641. The reversal of 117171634 is 436171711.

It is a junction number, because it is equal to n+sod(n) for n = 117171596 and 117171605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118707 + ... + 119689.

It is an arithmetic number, because the mean of its divisors is an integer number (11118708).

Almost surely, 2^117171634 is an apocalyptic number.

117171634 is a deficient number, since it is larger than the sum of its proper divisors (60727694).

117171634 is a wasteful number, since it uses less digits than its factorization.

117171634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649.

The product of its digits is 3528, while the sum is 31.

The square root of 117171634 is about 10824.5847033501. The cubic root of 117171634 is about 489.3363694240.

The spelling of 117171634 in words is "one hundred seventeen million, one hundred seventy-one thousand, six hundred thirty-four".