117661098 has 16 divisors (see below), whose sum is σ = 235447200. Its totient is φ = 39199536.

The previous prime is 117661079. The next prime is 117661111. The reversal of 117661098 is 890166711.

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, 10828 + ... + 18776.

It is an arithmetic number, because the mean of its divisors is an integer number (14715450).

Almost surely, 2^117661098 is an apocalyptic number.

117661098 is an abundant number, since it is smaller than the sum of its proper divisors (117786102).

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

117661098 is a wasteful number, since it uses less digits than its factorization.

117661098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10421.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 117661098 is about 10847.1700456847. The cubic root of 117661098 is about 490.0167952039.

The spelling of 117661098 in words is "one hundred seventeen million, six hundred sixty-one thousand, ninety-eight".