116401365 has 48 divisors (see below), whose sum is σ = 206668800. Its totient is φ = 60592896.

The previous prime is 116401361. The next prime is 116401379. The reversal of 116401365 is 563104611.

116401365 is a `hidden beast` number, since 1 + 1 + 640 + 13 + 6 + 5 = 666.

It is not a de Polignac number, because 116401365 - 2² = 116401361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116401361) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 486916 + ... + 487154.

It is an arithmetic number, because the mean of its divisors is an integer number (4305600).

Almost surely, 2^116401365 is an apocalyptic number.

116401365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116401365 is a deficient number, since it is larger than the sum of its proper divisors (90267435).

116401365 is a wasteful number, since it uses less digits than its factorization.

116401365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 116401365 is about 10788.9464267833. The cubic root of 116401365 is about 488.2617361618.

Adding to 116401365 its reverse (563104611), we get a palindrome (679505976).

The spelling of 116401365 in words is "one hundred sixteen million, four hundred one thousand, three hundred sixty-five".