117041661 has 24 divisors (see below), whose sum is σ = 185586336. Its totient is φ = 70489440.

The previous prime is 117041633. The next prime is 117041677. The reversal of 117041661 is 166140711.

It is not a de Polignac number, because 117041661 - 2⁶ = 117041597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117041611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12511 + ... + 19763.

It is an arithmetic number, because the mean of its divisors is an integer number (7732764).

Almost surely, 2^117041661 is an apocalyptic number.

117041661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117041661 is a deficient number, since it is larger than the sum of its proper divisors (68544675).

117041661 is a wasteful number, since it uses less digits than its factorization.

117041661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7433 (or 7430 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 117041661 is about 10818.5794353972. The cubic root of 117041661 is about 489.1553698520.

The spelling of 117041661 in words is "one hundred seventeen million, forty-one thousand, six hundred sixty-one".