117740166 has 16 divisors (see below), whose sum is σ = 235649088. Its totient is φ = 39218600.

The previous prime is 117740143. The next prime is 117740173. The reversal of 117740166 is 661047711.

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, 3181 + ... + 15671.

It is an arithmetic number, because the mean of its divisors is an integer number (14728068).

Almost surely, 2^117740166 is an apocalyptic number.

117740166 is an abundant number, since it is smaller than the sum of its proper divisors (117908922).

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

117740166 is a wasteful number, since it uses less digits than its factorization.

117740166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14067.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 117740166 is about 10850.8140708428. The cubic root of 117740166 is about 490.1265340303.

Adding to 117740166 its reverse (661047711), we get a palindrome (778787877).

The spelling of 117740166 in words is "one hundred seventeen million, seven hundred forty thousand, one hundred sixty-six".