117206646 has 8 divisors (see below), whose sum is σ = 234413304. Its totient is φ = 39068880.

The previous prime is 117206641. The next prime is 117206647. The reversal of 117206646 is 646602711.

It is a sphenic number, since it is the product of 3 distinct primes.

117206646 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117206641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9767215 + ... + 9767226.

It is an arithmetic number, because the mean of its divisors is an integer number (29301663).

Almost surely, 2^117206646 is an apocalyptic number.

117206646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

117206646 is a wasteful number, since it uses less digits than its factorization.

117206646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19534446.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 117206646 is about 10826.2018270490. The cubic root of 117206646 is about 489.3851040258.

The spelling of 117206646 in words is "one hundred seventeen million, two hundred six thousand, six hundred forty-six".