116666445 has 32 divisors (see below), whose sum is σ = 213903360. Its totient is φ = 53190720.

The previous prime is 116666437. The next prime is 116666519. The reversal of 116666445 is 544666611.

It is a happy number.

It is not a de Polignac number, because 116666445 - 2³ = 116666437 is a prime.

It is a super-2 number, since 2×116666445² = 27222118777876050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44830 + ... + 47360.

It is an arithmetic number, because the mean of its divisors is an integer number (6684480).

Almost surely, 2^116666445 is an apocalyptic number.

116666445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116666445 is a deficient number, since it is larger than the sum of its proper divisors (97236915).

116666445 is a wasteful number, since it uses less digits than its factorization.

116666445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2985.

The product of its digits is 103680, while the sum is 39.

The square root of 116666445 is about 10801.2242361688. The cubic root of 116666445 is about 488.6320934920.

The spelling of 116666445 in words is "one hundred sixteen million, six hundred sixty-six thousand, four hundred forty-five".