6646402202 has 8 divisors (see below), whose sum is σ = 10875930912. Its totient is φ = 3021091900.

The previous prime is 6646402187. The next prime is 6646402271. The reversal of 6646402202 is 2022046466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151054574 + ... + 151054617.

It is an arithmetic number, because the mean of its divisors is an integer number (1359491364).

Almost surely, 2^6646402202 is an apocalyptic number.

6646402202 is a deficient number, since it is larger than the sum of its proper divisors (4229528710).

6646402202 is a wasteful number, since it uses less digits than its factorization.

6646402202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302109204.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 6646402202 is about 81525.4696521277. The cubic root of 6646402202 is about 1880.1631631815.

Adding to 6646402202 its reverse (2022046466), we get a palindrome (8668448668).

The spelling of 6646402202 in words is "six billion, six hundred forty-six million, four hundred two thousand, two hundred two".