6220662156 has 72 divisors (see below), whose sum is σ = 16424160480. Its totient is φ = 1981461504.

The previous prime is 6220662137. The next prime is 6220662157. The reversal of 6220662156 is 6512660226.

6220662156 is a `hidden beast` number, since 6 + 2 + 20 + 6 + 621 + 5 + 6 = 666.

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 6220662156.

It is not an unprimeable number, because it can be changed into a prime (6220662157) 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 23 ways as a sum of consecutive naturals, for example, 1014556 + ... + 1020668.

It is an arithmetic number, because the mean of its divisors is an integer number (228113340).

Almost surely, 2^6220662156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6220662156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8212080240).

6220662156 is an abundant number, since it is smaller than the sum of its proper divisors (10203498324).

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

6220662156 is a wasteful number, since it uses less digits than its factorization.

6220662156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7375 (or 7370 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 6220662156 is about 78871.1744302061. The cubic root of 6220662156 is about 1839.1290533904.

The spelling of 6220662156 in words is "six billion, two hundred twenty million, six hundred sixty-two thousand, one hundred fifty-six".