16140724 has 12 divisors (see below), whose sum is σ = 28274400. Its totient is φ = 8062328.

The previous prime is 16140721. The next prime is 16140731. The reversal of 16140724 is 42704161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16140721) 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 3 ways as a sum of consecutive naturals, for example, 6897 + ... + 8935.

It is an arithmetic number, because the mean of its divisors is an integer number (2356200).

Almost surely, 2^16140724 is an apocalyptic number.

It is an amenable number.

16140724 is a deficient number, since it is larger than the sum of its proper divisors (12133676).

16140724 is a wasteful number, since it uses less digits than its factorization.

16140724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022 (or 4020 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 16140724 is about 4017.5519909517. The cubic root of 16140724 is about 252.7208093637.

Adding to 16140724 its reverse (42704161), we get a palindrome (58844885).

The spelling of 16140724 in words is "sixteen million, one hundred forty thousand, seven hundred twenty-four".