6122666197 has 4 divisors (see below), whose sum is σ = 6223037836. Its totient is φ = 6022294560.

The previous prime is 6122666149. The next prime is 6122666203. The reversal of 6122666197 is 7916662216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1001975716 + 5120690481 = 31654^2 + 71559^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6122666197 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 (6122666107) 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, 50185728 + ... + 50185849.

It is an arithmetic number, because the mean of its divisors is an integer number (1555759459).

Almost surely, 2^6122666197 is an apocalyptic number.

It is an amenable number.

6122666197 is a deficient number, since it is larger than the sum of its proper divisors (100371639).

6122666197 is a wasteful number, since it uses less digits than its factorization.

6122666197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100371638.

The product of its digits is 326592, while the sum is 46.

The square root of 6122666197 is about 78247.4676714844. The cubic root of 6122666197 is about 1829.4204418537.

The spelling of 6122666197 in words is "six billion, one hundred twenty-two million, six hundred sixty-six thousand, one hundred ninety-seven".