116355761 has 4 divisors (see below), whose sum is σ = 117385572. Its totient is φ = 115325952.

The previous prime is 116355697. The next prime is 116355779. The reversal of 116355761 is 167553611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 167553611 = 10639 ⋅15749.

It can be written as a sum of positive squares in 2 ways, for example, as 664225 + 115691536 = 815^2 + 10756^2 .

It is a cyclic number.

It is not a de Polignac number, because 116355761 - 2⁶ = 116355697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116355061) 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, 514736 + ... + 514961.

It is an arithmetic number, because the mean of its divisors is an integer number (29346393).

Almost surely, 2^116355761 is an apocalyptic number.

It is an amenable number.

116355761 is a deficient number, since it is larger than the sum of its proper divisors (1029811).

116355761 is a wasteful number, since it uses less digits than its factorization.

116355761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029810.

The product of its digits is 18900, while the sum is 35.

The square root of 116355761 is about 10786.8327603611. The cubic root of 116355761 is about 488.1979637231.

The spelling of 116355761 in words is "one hundred sixteen million, three hundred fifty-five thousand, seven hundred sixty-one".