6622413156 has 36 divisors (see below), whose sum is σ = 16893576700. Its totient is φ = 2187217728.

The previous prime is 6622413151. The next prime is 6622413173. The reversal of 6622413156 is 6513142266.

6622413156 is a `hidden beast` number, since 6 + 622 + 4 + 13 + 15 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2994278400 + 3628134756 = 54720^2 + 60234^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 6622413156.

It is not an unprimeable number, because it can be changed into a prime (6622413151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 839911 + ... + 847758.

Almost surely, 2^6622413156 is an apocalyptic number.

It is an amenable number.

6622413156 is an abundant number, since it is smaller than the sum of its proper divisors (10271163544).

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

6622413156 is a wasteful number, since it uses less digits than its factorization.

6622413156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687788 (or 1687783 counting only the distinct ones).

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

The square root of 6622413156 is about 81378.2105726097. The cubic root of 6622413156 is about 1877.8983943369.

The spelling of 6622413156 in words is "six billion, six hundred twenty-two million, four hundred thirteen thousand, one hundred fifty-six".