6210791136 has 144 divisors (see below), whose sum is σ = 20281847040. Its totient is φ = 1782984960.

The previous prime is 6210791107. The next prime is 6210791137. The reversal of 6210791136 is 6311970126.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a self number, because there is not a number n which added to its sum of digits gives 6210791136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6210791137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8601 + ... + 111783.

It is an arithmetic number, because the mean of its divisors is an integer number (140846160).

Almost surely, 2^6210791136 is an apocalyptic number.

6210791136 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 6210791136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10140923520).

6210791136 is an abundant number, since it is smaller than the sum of its proper divisors (14071055904).

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

6210791136 is a wasteful number, since it uses less digits than its factorization.

6210791136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103229 (or 103218 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 6210791136 is about 78808.5727316515. The cubic root of 6210791136 is about 1838.1557545113.

The spelling of 6210791136 in words is "six billion, two hundred ten million, seven hundred ninety-one thousand, one hundred thirty-six".