6611899392 has 264 divisors, whose sum is σ = 22036462656. Its totient is φ = 1870331904.

The previous prime is 6611899351. The next prime is 6611899397. The reversal of 6611899392 is 2939981166.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6611899397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7289403 + ... + 7290309.

Almost surely, 2^6611899392 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 6611899392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11018231328).

6611899392 is an abundant number, since it is smaller than the sum of its proper divisors (15424563264).

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

6611899392 is a wasteful number, since it uses less digits than its factorization.

6611899392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053 (or 1032 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 54.

The square root of 6611899392 is about 81313.5867613771. The cubic root of 6611899392 is about 1876.9040821567.

The spelling of 6611899392 in words is "six billion, six hundred eleven million, eight hundred ninety-nine thousand, three hundred ninety-two".