16825490 has 16 divisors (see below), whose sum is σ = 33039360. Its totient is φ = 6118320.

The previous prime is 16825453. The next prime is 16825493. The reversal of 16825490 is 9452861.

It is a super-2 number, since 2×16825490² = 566194227480200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16825490.

It is not an unprimeable number, because it can be changed into a prime (16825493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76370 + ... + 76589.

It is an arithmetic number, because the mean of its divisors is an integer number (2064960).

Almost surely, 2^16825490 is an apocalyptic number.

16825490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16825490 is a deficient number, since it is larger than the sum of its proper divisors (16213870).

16825490 is a wasteful number, since it uses less digits than its factorization.

16825490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152977.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 16825490 is about 4101.8885894183. Note that the first 3 decimals coincide. The cubic root of 16825490 is about 256.2452991404.

The spelling of 16825490 in words is "sixteen million, eight hundred twenty-five thousand, four hundred ninety".