16632825 has 24 divisors (see below), whose sum is σ = 30001056. Its totient is φ = 8064000.

The previous prime is 16632823. The next prime is 16632827. The reversal of 16632825 is 52823661.

It is an interprime number because it is at equal distance from previous prime (16632823) and next prime (16632827).

It is not a de Polignac number, because 16632825 - 2¹ = 16632823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (16632823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9256 + ... + 10905.

It is an arithmetic number, because the mean of its divisors is an integer number (1250044).

Almost surely, 2^16632825 is an apocalyptic number.

16632825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16632825 is a deficient number, since it is larger than the sum of its proper divisors (13368231).

16632825 is a wasteful number, since it uses less digits than its factorization.

16632825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20185 (or 20180 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 16632825 is about 4078.3360577569. The cubic root of 16632825 is about 255.2634723935.

The spelling of 16632825 in words is "sixteen million, six hundred thirty-two thousand, eight hundred twenty-five".