6623533080 has 128 divisors (see below), whose sum is σ = 22326840000. Its totient is φ = 1746404352.

The previous prime is 6623533073. The next prime is 6623533093. The reversal of 6623533080 is 803353266.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 61666 + ... + 130574.

Almost surely, 2^6623533080 is an apocalyptic number.

6623533080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6623533080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11163420000).

6623533080 is an abundant number, since it is smaller than the sum of its proper divisors (15703306920).

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

6623533080 is a wasteful number, since it uses less digits than its factorization.

6623533080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69018 (or 69008 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 6623533080 is about 81385.0912636952. The cubic root of 6623533080 is about 1878.0042462316.

The spelling of 6623533080 in words is "six billion, six hundred twenty-three million, five hundred thirty-three thousand, eighty".