16299252 has 24 divisors (see below), whose sum is σ = 42257600. Its totient is φ = 5433048.

The previous prime is 16299251. The next prime is 16299287. The reversal of 16299252 is 25299261.

It is a happy number.

16299252 is a `hidden beast` number, since 1 + 629 + 9 + 25 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16299251) 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, 75352 + ... + 75567.

Almost surely, 2^16299252 is an apocalyptic number.

16299252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16299252 is an abundant number, since it is smaller than the sum of its proper divisors (25958348).

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

16299252 is a wasteful number, since it uses less digits than its factorization.

16299252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150932 (or 150924 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 16299252 is about 4037.2332109998. The cubic root of 16299252 is about 253.5454909433.

Subtracting 16299252 from its reverse (25299261), we obtain a palindrome (9000009).

The spelling of 16299252 in words is "sixteen million, two hundred ninety-nine thousand, two hundred fifty-two".