116443663391 has 16 divisors (see below), whose sum is σ = 132896429568. Its totient is φ = 101078596800.

The previous prime is 116443663381. The next prime is 116443663423. The reversal of 116443663391 is 193366344611.

It is a cyclic number.

It is not a de Polignac number, because 116443663391 - 2³⁴ = 99263794207 is a prime.

It is a super-3 number, since 3×116443663391³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116443663331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2725505 + ... + 2767898.

It is an arithmetic number, because the mean of its divisors is an integer number (8306026848).

Almost surely, 2^116443663391 is an apocalyptic number.

116443663391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

116443663391 is a deficient number, since it is larger than the sum of its proper divisors (16452766177).

116443663391 is a wasteful number, since it uses less digits than its factorization.

116443663391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5493502.

The product of its digits is 839808, while the sum is 47.

The spelling of 116443663391 in words is "one hundred sixteen billion, four hundred forty-three million, six hundred sixty-three thousand, three hundred ninety-one".