116364861 has 6 divisors (see below), whose sum is σ = 168082590. Its totient is φ = 77576568.

The previous prime is 116364851. The next prime is 116364869. The reversal of 116364861 is 168463611.

116364861 is a `hidden beast` number, since 1 + 1 + 6 + 3 + 648 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 113103225 + 3261636 = 10635^2 + 1806^2 .

It is not a de Polignac number, because 116364861 - 2¹⁰ = 116363837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116364869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6464706 + ... + 6464723.

It is an arithmetic number, because the mean of its divisors is an integer number (28013765).

Almost surely, 2^116364861 is an apocalyptic number.

It is an amenable number.

116364861 is a deficient number, since it is larger than the sum of its proper divisors (51717729).

116364861 is a wasteful number, since it uses less digits than its factorization.

116364861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12929435 (or 12929432 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 116364861 is about 10787.2545626772. The cubic root of 116364861 is about 488.2106904548.

The spelling of 116364861 in words is "one hundred sixteen million, three hundred sixty-four thousand, eight hundred sixty-one".