6601803936 has 192 divisors, whose sum is σ = 22584054528. Its totient is φ = 1638678528.

The previous prime is 6601803931. The next prime is 6601803961. The reversal of 6601803936 is 6393081066.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (6601803931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126286 + ... + 170738.

It is an arithmetic number, because the mean of its divisors is an integer number (117625284).

Almost surely, 2^6601803936 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 6601803936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11292027264).

6601803936 is an abundant number, since it is smaller than the sum of its proper divisors (15982250592).

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

6601803936 is a wasteful number, since it uses less digits than its factorization.

6601803936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44503 (or 44495 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 6601803936 is about 81251.4857464157. The cubic root of 6601803936 is about 1875.9483379041.

The spelling of 6601803936 in words is "six billion, six hundred one million, eight hundred three thousand, nine hundred thirty-six".