116382656561 has 4 divisors (see below), whose sum is σ = 117219942000. Its totient is φ = 115545371124.

The previous prime is 116382656549. The next prime is 116382656597. The reversal of 116382656561 is 165656283611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 116382656561 - 2²² = 116378462257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116382656521) 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 3 ways as a sum of consecutive naturals, for example, 418642511 + ... + 418642788.

It is an arithmetic number, because the mean of its divisors is an integer number (29304985500).

Almost surely, 2^116382656561 is an apocalyptic number.

It is an amenable number.

116382656561 is a deficient number, since it is larger than the sum of its proper divisors (837285439).

116382656561 is an equidigital number, since it uses as much as digits as its factorization.

116382656561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837285438.

The product of its digits is 1555200, while the sum is 50.

The spelling of 116382656561 in words is "one hundred sixteen billion, three hundred eighty-two million, six hundred fifty-six thousand, five hundred sixty-one".