117016638 has 16 divisors (see below), whose sum is σ = 234159120. Its totient is φ = 38984576.

The previous prime is 117016589. The next prime is 117016643. The reversal of 117016638 is 836610711.

It is a junction number, because it is equal to n+sod(n) for n = 117016599 and 117016608.

It is a congruent number.

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, 10468 + ... + 18536.

It is an arithmetic number, because the mean of its divisors is an integer number (14634945).

Almost surely, 2^117016638 is an apocalyptic number.

117016638 is an abundant number, since it is smaller than the sum of its proper divisors (117142482).

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

117016638 is a wasteful number, since it uses less digits than its factorization.

117016638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10491.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 117016638 is about 10817.4228908738. The cubic root of 117016638 is about 489.1205076013.

The spelling of 117016638 in words is "one hundred seventeen million, sixteen thousand, six hundred thirty-eight".