116645817 has 8 divisors (see below), whose sum is σ = 156752896. Its totient is φ = 77151312.

The previous prime is 116645813. The next prime is 116645821. The reversal of 116645817 is 718546611.

It is an interprime number because it is at equal distance from previous prime (116645813) and next prime (116645821).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 116645817 - 2² = 116645813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116645813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152698 + ... + 153459.

It is an arithmetic number, because the mean of its divisors is an integer number (19594112).

Almost surely, 2^116645817 is an apocalyptic number.

It is an amenable number.

116645817 is a deficient number, since it is larger than the sum of its proper divisors (40107079).

116645817 is a wasteful number, since it uses less digits than its factorization.

116645817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306287.

The product of its digits is 40320, while the sum is 39.

The square root of 116645817 is about 10800.2693021980. The cubic root of 116645817 is about 488.6032931603.

The spelling of 116645817 in words is "one hundred sixteen million, six hundred forty-five thousand, eight hundred seventeen".