117606642 has 16 divisors (see below), whose sum is σ = 236200320. Its totient is φ = 39037712.

The previous prime is 117606607. The next prime is 117606667. The reversal of 117606642 is 246606711.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39573 + ... + 42440.

It is an arithmetic number, because the mean of its divisors is an integer number (14762520).

Almost surely, 2^117606642 is an apocalyptic number.

117606642 is an abundant number, since it is smaller than the sum of its proper divisors (118593678).

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

117606642 is a wasteful number, since it uses less digits than its factorization.

117606642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82257.

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

The square root of 117606642 is about 10844.6596073828. The cubic root of 117606642 is about 489.9411868881.

The spelling of 117606642 in words is "one hundred seventeen million, six hundred six thousand, six hundred forty-two".