6645070200 has 48 divisors (see below), whose sum is σ = 20599719480. Its totient is φ = 1772018560.

The previous prime is 6645070151. The next prime is 6645070213. The reversal of 6645070200 is 20705466.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5536959 + ... + 5538158.

Almost surely, 2^6645070200 is an apocalyptic number.

6645070200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6645070200 is an abundant number, since it is smaller than the sum of its proper divisors (13954649280).

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

6645070200 is a wasteful number, since it uses less digits than its factorization.

6645070200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11075136 (or 11075127 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 6645070200 is about 81517.3000043549. The cubic root of 6645070200 is about 1880.0375539503.

Adding to 6645070200 its reverse (20705466), we get a palindrome (6665775666).

The spelling of 6645070200 in words is "six billion, six hundred forty-five million, seventy thousand, two hundred".