206448664406330 has 32 divisors (see below), whose sum is σ = 381366509516928. Its totient is φ = 80437104936000.

The previous prime is 206448664406273. The next prime is 206448664406351. The reversal of 206448664406330 is 33604466844602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1642851896 + ... + 1642977555.

It is an arithmetic number, because the mean of its divisors is an integer number (11917703422404).

Almost surely, 2^{206448664406330} is an apocalyptic number.

206448664406330 is a deficient number, since it is larger than the sum of its proper divisors (174917845110598).

206448664406330 is a wasteful number, since it uses less digits than its factorization.

206448664406330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285829622.

The product of its (nonzero) digits is 47775744, while the sum is 56.

The spelling of 206448664406330 in words is "two hundred six trillion, four hundred forty-eight billion, six hundred sixty-four million, four hundred six thousand, three hundred thirty".