16123453025 has 24 divisors (see below), whose sum is σ = 20211440760. Its totient is φ = 12758359040.

The previous prime is 16123453019. The next prime is 16123453033. The reversal of 16123453025 is 52035432161.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 11178409984 + 4945043041 = 105728^2 + 70321^2 .

It is not a de Polignac number, because 16123453025 - 2⁸ = 16123452769 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16123452982 and 16123453000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1432319 + ... + 1443531.

It is an arithmetic number, because the mean of its divisors is an integer number (842143365).

Almost surely, 2^16123453025 is an apocalyptic number.

It is an amenable number.

16123453025 is a deficient number, since it is larger than the sum of its proper divisors (4087987735).

16123453025 is a wasteful number, since it uses less digits than its factorization.

16123453025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11845 (or 11840 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 16123453025 its reverse (52035432161), we get a palindrome (68158885186).

The spelling of 16123453025 in words is "sixteen billion, one hundred twenty-three million, four hundred fifty-three thousand, twenty-five".