16066025 has 12 divisors (see below), whose sum is σ = 20004300. Its totient is φ = 12799680.

The previous prime is 16066021. The next prime is 16066027. The reversal of 16066025 is 52066061.

It can be written as a sum of positive squares in 6 ways, for example, as 4376464 + 11689561 = 2092^2 + 3419^2 .

It is not a de Polignac number, because 16066025 - 2² = 16066021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16065985 and 16066003.

It is not an unprimeable number, because it can be changed into a prime (16066021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5531 + ... + 7919.

It is an arithmetic number, because the mean of its divisors is an integer number (1667025).

Almost surely, 2^16066025 is an apocalyptic number.

It is an amenable number.

16066025 is a deficient number, since it is larger than the sum of its proper divisors (3938275).

16066025 is a wasteful number, since it uses less digits than its factorization.

16066025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668 (or 2663 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 16066025 is about 4008.2446282631. The cubic root of 16066025 is about 252.3303438309.

The spelling of 16066025 in words is "sixteen million, sixty-six thousand, twenty-five".