16066607825 has 12 divisors (see below), whose sum is σ = 20119850268. Its totient is φ = 12726024000.

The previous prime is 16066607819. The next prime is 16066607831. The reversal of 16066607825 is 52870666061.

It is an interprime number because it is at equal distance from previous prime (16066607819) and next prime (16066607831).

It can be written as a sum of positive squares in 6 ways, for example, as 33223696 + 16033384129 = 5764^2 + 126623^2 .

It is not a de Polignac number, because 16066607825 - 2¹⁴ = 16066591441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16066607825.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3178982 + ... + 3184031.

It is an arithmetic number, because the mean of its divisors is an integer number (1676654189).

Almost surely, 2^16066607825 is an apocalyptic number.

It is an amenable number.

16066607825 is a deficient number, since it is larger than the sum of its proper divisors (4053242443).

16066607825 is a wasteful number, since it uses less digits than its factorization.

16066607825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6363124 (or 6363119 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 16066607825 in words is "sixteen billion, sixty-six million, six hundred seven thousand, eight hundred twenty-five".