117516806 has 16 divisors (see below), whose sum is σ = 193485888. Its totient is φ = 53087400.

The previous prime is 117516803. The next prime is 117516811. The reversal of 117516806 is 608615711.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117516803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12800 + ... + 19971.

It is an arithmetic number, because the mean of its divisors is an integer number (12092868).

Almost surely, 2^117516806 is an apocalyptic number.

117516806 is the 5795-th centered heptagonal number.

117516806 is a deficient number, since it is larger than the sum of its proper divisors (75969082).

117516806 is a wasteful number, since it uses less digits than its factorization.

117516806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32947.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 117516806 is about 10840.5168695962. The cubic root of 117516806 is about 489.8164049100.

The spelling of 117516806 in words is "one hundred seventeen million, five hundred sixteen thousand, eight hundred six".