16497252 has 36 divisors (see below), whose sum is σ = 42722316. Its totient is φ = 5364480.

The previous prime is 16497241. The next prime is 16497253. The reversal of 16497252 is 25279461.

16497252 is a `hidden beast` number, since 1 + 649 + 7 + 2 + 5 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7096896 + 9400356 = 2664^2 + 3066^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16497253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4113 + ... + 7064.

It is an arithmetic number, because the mean of its divisors is an integer number (1186731).

Almost surely, 2^16497252 is an apocalyptic number.

16497252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16497252 is an abundant number, since it is smaller than the sum of its proper divisors (26225064).

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

16497252 is a wasteful number, since it uses less digits than its factorization.

16497252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11228 (or 11223 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 16497252 is about 4061.6809328159. The cubic root of 16497252 is about 254.5680345306.

The spelling of 16497252 in words is "sixteen million, four hundred ninety-seven thousand, two hundred fifty-two".