6621886030 has 16 divisors (see below), whose sum is σ = 11920471920. Its totient is φ = 2648515072.

The previous prime is 6621886027. The next prime is 6621886069. The reversal of 6621886030 is 306881266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123981 + ... + 169159.

It is an arithmetic number, because the mean of its divisors is an integer number (745029495).

Almost surely, 2^6621886030 is an apocalyptic number.

6621886030 is a deficient number, since it is larger than the sum of its proper divisors (5298585890).

6621886030 is a wasteful number, since it uses less digits than its factorization.

6621886030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59843.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 6621886030 is about 81374.9717665082. The cubic root of 6621886030 is about 1877.8485678204.

The spelling of 6621886030 in words is "six billion, six hundred twenty-one million, eight hundred eighty-six thousand, thirty".