16249172 has 12 divisors (see below), whose sum is σ = 28464660. Its totient is φ = 8116416.

The previous prime is 16249171. The next prime is 16249223. The reversal of 16249172 is 27194261.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4648336 + 11600836 = 2156^2 + 3406^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16249171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5648 + ... + 8024.

It is an arithmetic number, because the mean of its divisors is an integer number (2372055).

Almost surely, 2^16249172 is an apocalyptic number.

It is an amenable number.

16249172 is a deficient number, since it is larger than the sum of its proper divisors (12215488).

16249172 is a wasteful number, since it uses less digits than its factorization.

16249172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4090 (or 4088 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 16249172 is about 4031.0261720808. The cubic root of 16249172 is about 253.2855488513.

The spelling of 16249172 in words is "sixteen million, two hundred forty-nine thousand, one hundred seventy-two".