16133313025 has 6 divisors (see below), whose sum is σ = 20005308182. Its totient is φ = 12906650400.

The previous prime is 16133313023. The next prime is 16133313029. The reversal of 16133313025 is 52031333161.

It can be written as a sum of positive squares in 3 ways, for example, as 488056464 + 15645256561 = 22092^2 + 125081^2 .

It is not a de Polignac number, because 16133313025 - 2¹ = 16133313023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16133312984 and 16133313002.

It is not an unprimeable number, because it can be changed into a prime (16133313023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322666236 + ... + 322666285.

Almost surely, 2^16133313025 is an apocalyptic number.

It is an amenable number.

16133313025 is a deficient number, since it is larger than the sum of its proper divisors (3871995157).

16133313025 is an equidigital number, since it uses as much as digits as its factorization.

16133313025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645332531 (or 645332526 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

Adding to 16133313025 its reverse (52031333161), we get a palindrome (68164646186).

The spelling of 16133313025 in words is "sixteen billion, one hundred thirty-three million, three hundred thirteen thousand, twenty-five".