16825642 has 16 divisors (see below), whose sum is σ = 25993440. Its totient is φ = 8163792.

The previous prime is 16825637. The next prime is 16825661. The reversal of 16825642 is 24652861.

It is a junction number, because it is equal to n+sod(n) for n = 16825598 and 16825607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14848 + ... + 15940.

It is an arithmetic number, because the mean of its divisors is an integer number (1624590).

Almost surely, 2^16825642 is an apocalyptic number.

16825642 is a deficient number, since it is larger than the sum of its proper divisors (9167798).

16825642 is a wasteful number, since it uses less digits than its factorization.

16825642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317.

The product of its digits is 23040, while the sum is 34.

The square root of 16825642 is about 4101.9071174272. The cubic root of 16825642 is about 256.2460707706.

The spelling of 16825642 in words is "sixteen million, eight hundred twenty-five thousand, six hundred forty-two".