16266331125 has 48 divisors (see below), whose sum is σ = 31988503872. Its totient is φ = 7886700000.

The previous prime is 16266331111. The next prime is 16266331139. The reversal of 16266331125 is 52113366261.

16266331125 is a `hidden beast` number, since 1 + 6 + 2 + 6 + 633 + 1 + 12 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (16266331111) and next prime (16266331139).

It is not a de Polignac number, because 16266331125 - 2⁶ = 16266331061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16266331125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 644851 + ... + 669600.

It is an arithmetic number, because the mean of its divisors is an integer number (666427164).

Almost surely, 2^16266331125 is an apocalyptic number.

16266331125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16266331125 is a deficient number, since it is larger than the sum of its proper divisors (15722172747).

16266331125 is a wasteful number, since it uses less digits than its factorization.

16266331125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314483 (or 1314470 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

Adding to 16266331125 its reverse (52113366261), we get a palindrome (68379697386).

The spelling of 16266331125 in words is "sixteen billion, two hundred sixty-six million, three hundred thirty-one thousand, one hundred twenty-five".