16455051866 has 16 divisors (see below), whose sum is σ = 26928471168. Its totient is φ = 7479007200.

The previous prime is 16455051857. The next prime is 16455051869. The reversal of 16455051866 is 66815055461.

16455051866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 16455051866.

It is not an unprimeable number, because it can be changed into a prime (16455051869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459551 + ... + 494061.

It is an arithmetic number, because the mean of its divisors is an integer number (1683029448).

Almost surely, 2^16455051866 is an apocalyptic number.

16455051866 is a deficient number, since it is larger than the sum of its proper divisors (10473419302).

16455051866 is a wasteful number, since it uses less digits than its factorization.

16455051866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56197.

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 16455051866 in words is "sixteen billion, four hundred fifty-five million, fifty-one thousand, eight hundred sixty-six".