116423320221 has 40 divisors (see below), whose sum is σ = 193752977880. Its totient is φ = 69174580608.

The previous prime is 116423320199. The next prime is 116423320229. The reversal of 116423320221 is 122023324611.

116423320221 is a `hidden beast` number, since 1 + 16 + 423 + 3 + 2 + 0 + 221 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3577714596 + 112845605625 = 59814^2 + 335925^2 .

It is not a de Polignac number, because 116423320221 - 2⁶ = 116423320157 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 (116423320229) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1875730 + ... + 1936803.

It is an arithmetic number, because the mean of its divisors is an integer number (4843824447).

Almost surely, 2^116423320221 is an apocalyptic number.

It is an amenable number.

116423320221 is a deficient number, since it is larger than the sum of its proper divisors (77329657659).

116423320221 is a wasteful number, since it uses less digits than its factorization.

116423320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3812587 (or 3812578 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 116423320221 its reverse (122023324611), we get a palindrome (238446644832).

The spelling of 116423320221 in words is "one hundred sixteen billion, four hundred twenty-three million, three hundred twenty thousand, two hundred twenty-one".