6466189100 has 72 divisors (see below), whose sum is σ = 16299144288. Its totient is φ = 2180620800.

The previous prime is 6466189087. The next prime is 6466189123. The reversal of 6466189100 is 19816646.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33017 + ... + 118416.

It is an arithmetic number, because the mean of its divisors is an integer number (226377004).

Almost surely, 2^6466189100 is an apocalyptic number.

It is an amenable number.

6466189100 is an abundant number, since it is smaller than the sum of its proper divisors (9832955188).

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

6466189100 is a wasteful number, since it uses less digits than its factorization.

6466189100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151515 (or 151508 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 6466189100 is about 80412.6177909910. The cubic root of 6466189100 is about 1863.0140652686.

The spelling of 6466189100 in words is "six billion, four hundred sixty-six million, one hundred eighty-nine thousand, one hundred".