6652990890 has 480 divisors, whose sum is σ = 22728283776. Its totient is φ = 1366709760.

The previous prime is 6652990889. The next prime is 6652990909. The reversal of 6652990890 is 980992566.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 50786125 + ... + 50786255.

Almost surely, 2^6652990890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6652990890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11364141888).

6652990890 is an abundant number, since it is smaller than the sum of its proper divisors (16075292886).

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

6652990890 is a wasteful number, since it uses less digits than its factorization.

6652990890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 6652990890 is about 81565.8684132033. The cubic root of 6652990890 is about 1880.7842369061.

The spelling of 6652990890 in words is "six billion, six hundred fifty-two million, nine hundred ninety thousand, eight hundred ninety".