16466525 has 12 divisors (see below), whose sum is σ = 20469300. Its totient is φ = 13140480.

The previous prime is 16466509. The next prime is 16466531. The reversal of 16466525 is 52566461.

It can be written as a sum of positive squares in 6 ways, for example, as 6360484 + 10106041 = 2522^2 + 3179^2 .

It is not a de Polignac number, because 16466525 - 2⁴ = 16466509 is a prime.

It is a super-2 number, since 2×16466525² = 542292891151250, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 17261 + ... + 18189.

It is an arithmetic number, because the mean of its divisors is an integer number (1705775).

Almost surely, 2^16466525 is an apocalyptic number.

It is an amenable number.

16466525 is a deficient number, since it is larger than the sum of its proper divisors (4002775).

16466525 is an equidigital number, since it uses as much as digits as its factorization.

16466525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1643 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The square root of 16466525 is about 4057.8966226359. The cubic root of 16466525 is about 254.4098875174.

The spelling of 16466525 in words is "sixteen million, four hundred sixty-six thousand, five hundred twenty-five".