6602420560 has 80 divisors (see below), whose sum is σ = 16272458496. Its totient is φ = 2482735104.

The previous prime is 6602420557. The next prime is 6602420603. The reversal of 6602420560 is 650242066.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×6602420560² = 87183914502221427200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1443397 + ... + 1447963.

Almost surely, 2^6602420560 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 6602420560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8136229248).

6602420560 is an abundant number, since it is smaller than the sum of its proper divisors (9670037936).

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

6602420560 is a wasteful number, since it uses less digits than its factorization.

6602420560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5660 (or 5654 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 6602420560 is about 81255.2801976585. The cubic root of 6602420560 is about 1876.0067420801.

The spelling of 6602420560 in words is "six billion, six hundred two million, four hundred twenty thousand, five hundred sixty".