16345263066 has 16 divisors (see below), whose sum is σ = 35662392288. Its totient is φ = 4953110000.

The previous prime is 16345263061. The next prime is 16345263089. The reversal of 16345263066 is 66036254361.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (16345263061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123827685 + ... + 123827816.

It is an arithmetic number, because the mean of its divisors is an integer number (2228899518).

Almost surely, 2^16345263066 is an apocalyptic number.

16345263066 is an abundant number, since it is smaller than the sum of its proper divisors (19317129222).

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

16345263066 is a wasteful number, since it uses less digits than its factorization.

16345263066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247655517.

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 16345263066 in words is "sixteen billion, three hundred forty-five million, two hundred sixty-three thousand, sixty-six".