16330525 has 12 divisors (see below), whose sum is σ = 20311200. Its totient is φ = 13024880.

The previous prime is 16330487. The next prime is 16330541. The reversal of 16330525 is 52503361.

It is a happy number.

It is not a de Polignac number, because 16330525 - 2²³ = 7941917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 16330525.

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, 9696 + ... + 11254.

It is an arithmetic number, because the mean of its divisors is an integer number (1692600).

Almost surely, 2^16330525 is an apocalyptic number.

It is an amenable number.

16330525 is a deficient number, since it is larger than the sum of its proper divisors (3980675).

16330525 is a wasteful number, since it uses less digits than its factorization.

16330525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988 (or 1983 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 16330525 is about 4041.1044282473. The cubic root of 16330525 is about 253.7075446455.

Adding to 16330525 its reverse (52503361), we get a palindrome (68833886).

The spelling of 16330525 in words is "sixteen million, three hundred thirty thousand, five hundred twenty-five".