16249004523 has 12 divisors (see below), whose sum is σ = 23913630000. Its totient is φ = 10628279376.

The previous prime is 16249004521. The next prime is 16249004531. The reversal of 16249004523 is 32540094261.

It is a happy number.

16249004523 is a `hidden beast` number, since 1 + 624 + 9 + 0 + 0 + 4 + 5 + 23 = 666.

It is not a de Polignac number, because 16249004523 - 2¹ = 16249004521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16249004521) 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, 17032023 + ... + 17032976.

It is an arithmetic number, because the mean of its divisors is an integer number (1992802500).

Almost surely, 2^16249004523 is an apocalyptic number.

16249004523 is a deficient number, since it is larger than the sum of its proper divisors (7664625477).

16249004523 is a wasteful number, since it uses less digits than its factorization.

16249004523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34065058 (or 34065055 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 16249004523 its reverse (32540094261), we get a palindrome (48789098784).

The spelling of 16249004523 in words is "sixteen billion, two hundred forty-nine million, four thousand, five hundred twenty-three".