16158252 has 48 divisors (see below), whose sum is σ = 41432832. Its totient is φ = 4860480.

The previous prime is 16158199. The next prime is 16158253. The reversal of 16158252 is 25285161.

It is a super-2 number, since 2×16158252² = 522178215391008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16158253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21678 + ... + 22410.

It is an arithmetic number, because the mean of its divisors is an integer number (863184).

Almost surely, 2^16158252 is an apocalyptic number.

16158252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16158252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20716416).

16158252 is an abundant number, since it is smaller than the sum of its proper divisors (25274580).

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

16158252 is a wasteful number, since it uses less digits than its factorization.

16158252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 916 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 16158252 is about 4019.7328269426. The cubic root of 16158252 is about 252.8122568898.

The spelling of 16158252 in words is "sixteen million, one hundred fifty-eight thousand, two hundred fifty-two".