116642654857 has 2 divisors, whose sum is σ = 116642654858. Its totient is φ = 116642654856.

The previous prime is 116642654839. The next prime is 116642654927. The reversal of 116642654857 is 758456246611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85134984841 + 31507670016 = 291779^2 + 177504^2 .

It is a cyclic number.

It is not a de Polignac number, because 116642654857 - 2³¹ = 114495171209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 116642654798 and 116642654807.

It is not a weakly prime, because it can be changed into another prime (116642654257) 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 as a sum of consecutive naturals, namely, 58321327428 + 58321327429.

It is an arithmetic number, because the mean of its divisors is an integer number (58321327429).

Almost surely, 2^116642654857 is an apocalyptic number.

It is an amenable number.

116642654857 is a deficient number, since it is larger than the sum of its proper divisors (1).

116642654857 is an equidigital number, since it uses as much as digits as its factorization.

116642654857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9676800, while the sum is 55.

The spelling of 116642654857 in words is "one hundred sixteen billion, six hundred forty-two million, six hundred fifty-four thousand, eight hundred fifty-seven".