116909465 has 4 divisors (see below), whose sum is σ = 140291364. Its totient is φ = 93527568.

The previous prime is 116909449. The next prime is 116909473. The reversal of 116909465 is 564909611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49603849 + 67305616 = 7043^2 + 8204^2 .

It is a cyclic number.

It is not a de Polignac number, because 116909465 - 2⁴ = 116909449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11690942 + ... + 11690951.

It is an arithmetic number, because the mean of its divisors is an integer number (35072841).

Almost surely, 2^116909465 is an apocalyptic number.

It is an amenable number.

116909465 is a deficient number, since it is larger than the sum of its proper divisors (23381899).

116909465 is an equidigital number, since it uses as much as digits as its factorization.

116909465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23381898.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 116909465 is about 10812.4680346348. The cubic root of 116909465 is about 488.9711370365.

The spelling of 116909465 in words is "one hundred sixteen million, nine hundred nine thousand, four hundred sixty-five".