6555322690 has 64 divisors (see below), whose sum is σ = 14556879360. Its totient is φ = 2075673600.

The previous prime is 6555322663. The next prime is 6555322703. The reversal of 6555322690 is 962235556.

It is a super-2 number, since 2×6555322690² = 85944511140057672200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23511 + ... + 116890.

It is an arithmetic number, because the mean of its divisors is an integer number (227451240).

Almost surely, 2^6555322690 is an apocalyptic number.

6555322690 is an abundant number, since it is smaller than the sum of its proper divisors (8001556670).

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

6555322690 is a wasteful number, since it uses less digits than its factorization.

6555322690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140467.

The product of its (nonzero) digits is 486000, while the sum is 43.

The square root of 6555322690 is about 80964.9472920226. The cubic root of 6555322690 is about 1871.5353086679.

The spelling of 6555322690 in words is "six billion, five hundred fifty-five million, three hundred twenty-two thousand, six hundred ninety".