195116537 has 16 divisors (see below), whose sum is σ = 243664512. Its totient is φ = 151787520.

The previous prime is 195116507. The next prime is 195116539. The reversal of 195116537 is 735611591.

It is a cyclic number.

It is not a de Polignac number, because 195116537 - 2¹⁰ = 195115513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195116537.

It is not an unprimeable number, because it can be changed into a prime (195116539) 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 15 ways as a sum of consecutive naturals, for example, 54713 + ... + 58169.

It is an arithmetic number, because the mean of its divisors is an integer number (15229032).

Almost surely, 2^195116537 is an apocalyptic number.

It is an amenable number.

195116537 is a deficient number, since it is larger than the sum of its proper divisors (48547975).

195116537 is a wasteful number, since it uses less digits than its factorization.

195116537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208.

The product of its digits is 28350, while the sum is 38.

The square root of 195116537 is about 13968.4121144817. The cubic root of 195116537 is about 580.0044956053.

The spelling of 195116537 in words is "one hundred ninety-five million, one hundred sixteen thousand, five hundred thirty-seven".