116661717 has 12 divisors (see below), whose sum is σ = 168985440. Its totient is φ = 77555688.

The previous prime is 116661697. The next prime is 116661731. The reversal of 116661717 is 717166611.

It is not a de Polignac number, because 116661717 - 2¹⁰ = 116660693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116661757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14823 + ... + 21284.

It is an arithmetic number, because the mean of its divisors is an integer number (14082120).

Almost surely, 2^116661717 is an apocalyptic number.

It is an amenable number.

116661717 is a deficient number, since it is larger than the sum of its proper divisors (52323723).

116661717 is a wasteful number, since it uses less digits than its factorization.

116661717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36472 (or 36469 counting only the distinct ones).

The product of its digits is 10584, while the sum is 36.

The square root of 116661717 is about 10801.0053698718. The cubic root of 116661717 is about 488.6254926688.

The spelling of 116661717 in words is "one hundred sixteen million, six hundred sixty-one thousand, seven hundred seventeen".