116321805 has 32 divisors (see below), whose sum is σ = 207352320. Its totient is φ = 61871040.

The previous prime is 116321791. The next prime is 116321809. The reversal of 116321805 is 508123611.

116321805 is a `hidden beast` number, since 11 + 632 + 18 + 0 + 5 = 666.

It is not a de Polignac number, because 116321805 - 2⁴ = 116321789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116321809) 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, 61575 + ... + 63435.

It is an arithmetic number, because the mean of its divisors is an integer number (6479760).

Almost surely, 2^116321805 is an apocalyptic number.

116321805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116321805 is a deficient number, since it is larger than the sum of its proper divisors (91030515).

116321805 is a wasteful number, since it uses less digits than its factorization.

116321805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338 (or 2332 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 116321805 is about 10785.2586895262. The cubic root of 116321805 is about 488.1504689744.

The spelling of 116321805 in words is "one hundred sixteen million, three hundred twenty-one thousand, eight hundred five".