116816505 has 64 divisors (see below), whose sum is σ = 209018880. Its totient is φ = 55351296.

The previous prime is 116816489. The next prime is 116816521. The reversal of 116816505 is 505618611.

It is an interprime number because it is at equal distance from previous prime (116816489) and next prime (116816521).

It is not a de Polignac number, because 116816505 - 2⁴ = 116816489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 919752 + ... + 919878.

It is an arithmetic number, because the mean of its divisors is an integer number (3265920).

Almost surely, 2^116816505 is an apocalyptic number.

116816505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116816505 is a deficient number, since it is larger than the sum of its proper divisors (92202375).

116816505 is a wasteful number, since it uses less digits than its factorization.

116816505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 116816505 is about 10808.1684387319. The cubic root of 116816505 is about 488.8415016532.

The spelling of 116816505 in words is "one hundred sixteen million, eight hundred sixteen thousand, five hundred five".