6620122416 has 80 divisors (see below), whose sum is σ = 17719881728. Its totient is φ = 2127513600.

The previous prime is 6620122409. The next prime is 6620122427. The reversal of 6620122416 is 6142210266.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395040 + ... + 411456.

Almost surely, 2^6620122416 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 6620122416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8859940864).

6620122416 is an abundant number, since it is smaller than the sum of its proper divisors (11099759312).

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

6620122416 is a wasteful number, since it uses less digits than its factorization.

6620122416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16730 (or 16724 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 6620122416 is about 81364.1347031971. The cubic root of 6620122416 is about 1877.6818432113.

The spelling of 6620122416 in words is "six billion, six hundred twenty million, one hundred twenty-two thousand, four hundred sixteen".