116566965 has 32 divisors (see below), whose sum is σ = 207699840. Its totient is φ = 62028288.

The previous prime is 116566951. The next prime is 116566969. The reversal of 116566965 is 569665611.

It is not a de Polignac number, because 116566965 - 2¹² = 116562869 is a prime.

It is a super-2 number, since 2×116566965² = 27175714658622450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 116566965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116566969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90214 + ... + 91496.

It is an arithmetic number, because the mean of its divisors is an integer number (6490620).

Almost surely, 2^116566965 is an apocalyptic number.

116566965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116566965 is a deficient number, since it is larger than the sum of its proper divisors (91132875).

116566965 is a wasteful number, since it uses less digits than its factorization.

116566965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970 (or 1964 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 116566965 is about 10796.6182205355. The cubic root of 116566965 is about 488.4931705328.

The spelling of 116566965 in words is "one hundred sixteen million, five hundred sixty-six thousand, nine hundred sixty-five".