6221613157 has 8 divisors (see below), whose sum is σ = 6283555200. Its totient is φ = 6159940560.

The previous prime is 6221613149. The next prime is 6221613179. The reversal of 6221613157 is 7513161226.

6221613157 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6221613157 - 2³ = 6221613149 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 (6221613257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20793 + ... + 113470.

It is an arithmetic number, because the mean of its divisors is an integer number (785444400).

Almost surely, 2^6221613157 is an apocalyptic number.

It is an amenable number.

6221613157 is a deficient number, since it is larger than the sum of its proper divisors (61942043).

6221613157 is a wasteful number, since it uses less digits than its factorization.

6221613157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134723.

The product of its digits is 15120, while the sum is 34.

The square root of 6221613157 is about 78877.2030247016. The cubic root of 6221613157 is about 1839.2227692685. Note that the first 3 decimals are identical.

The spelling of 6221613157 in words is "six billion, two hundred twenty-one million, six hundred thirteen thousand, one hundred fifty-seven".