6122136636 has 216 divisors, whose sum is σ = 20012441904. Its totient is φ = 1559900160.

The previous prime is 6122136617. The next prime is 6122136637. The reversal of 6122136636 is 6366312216.

6122136636 is a `hidden beast` number, since 6 + 1 + 2 + 2 + 13 + 6 + 636 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 6122136636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6122136637) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1025436 + ... + 1031388.

It is an arithmetic number, because the mean of its divisors is an integer number (92650194).

Almost surely, 2^6122136636 is an apocalyptic number.

6122136636 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6122136636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10006220952).

6122136636 is an abundant number, since it is smaller than the sum of its proper divisors (13890305268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6122136636 is a wasteful number, since it uses less digits than its factorization.

6122136636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6041 (or 6029 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 6122136636 is about 78244.0837124444. The cubic root of 6122136636 is about 1829.3676969863.

The spelling of 6122136636 in words is "six billion, one hundred twenty-two million, one hundred thirty-six thousand, six hundred thirty-six".