116321999 has 8 divisors (see below), whose sum is σ = 117239760. Its totient is φ = 115407936.

The previous prime is 116321963. The next prime is 116322001. The reversal of 116321999 is 999123611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116321999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116321899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102467 + ... + 103595.

It is an arithmetic number, because the mean of its divisors is an integer number (14654970).

Almost surely, 2^116321999 is an apocalyptic number.

116321999 is a deficient number, since it is larger than the sum of its proper divisors (917761).

116321999 is a wasteful number, since it uses less digits than its factorization.

116321999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849.

The product of its digits is 26244, while the sum is 41.

The square root of 116321999 is about 10785.2676832798. The cubic root of 116321999 is about 488.1507403512.

It can be divided in two parts, 11632 and 1999, that added together give a palindrome (13631).

The spelling of 116321999 in words is "one hundred sixteen million, three hundred twenty-one thousand, nine hundred ninety-nine".