16632525 has 48 divisors (see below), whose sum is σ = 33858944. Its totient is φ = 7015680.

The previous prime is 16632521. The next prime is 16632527. The reversal of 16632525 is 52523661.

It is not a de Polignac number, because 16632525 - 2² = 16632521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16632492 and 16632501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16632521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5607 + ... + 8043.

Almost surely, 2^16632525 is an apocalyptic number.

16632525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16632525 is an abundant number, since it is smaller than the sum of its proper divisors (17226419).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16632525 is a wasteful number, since it uses less digits than its factorization.

16632525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470 (or 2465 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 16632525 is about 4078.2992778853. The cubic root of 16632525 is about 255.2619376873.

The spelling of 16632525 in words is "sixteen million, six hundred thirty-two thousand, five hundred twenty-five".