116155597 has 4 divisors (see below), whose sum is σ = 117070336. Its totient is φ = 115240860.

The previous prime is 116155579. The next prime is 116155609. The reversal of 116155597 is 795551611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 795551611 = 97 ⋅8201563.

It is a cyclic number.

It is not a de Polignac number, because 116155597 - 2¹⁹ = 115631309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116155297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457179 + ... + 457432.

It is an arithmetic number, because the mean of its divisors is an integer number (29267584).

Almost surely, 2^116155597 is an apocalyptic number.

It is an amenable number.

116155597 is a deficient number, since it is larger than the sum of its proper divisors (914739).

116155597 is an equidigital number, since it uses as much as digits as its factorization.

116155597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914738.

The product of its digits is 47250, while the sum is 40.

The square root of 116155597 is about 10777.5506029895. The cubic root of 116155597 is about 487.9178579942.

The spelling of 116155597 in words is "one hundred sixteen million, one hundred fifty-five thousand, five hundred ninety-seven".