16354131325 has 48 divisors (see below), whose sum is σ = 24596818560. Its totient is φ = 10529925120.

The previous prime is 16354131271. The next prime is 16354131329. The reversal of 16354131325 is 52313145361.

It is not a de Polignac number, because 16354131325 - 2²¹ = 16352034173 is a prime.

It is a super-2 number, since 2×16354131325² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16354131329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1311721 + ... + 1324129.

It is an arithmetic number, because the mean of its divisors is an integer number (512433720).

Almost surely, 2^16354131325 is an apocalyptic number.

It is an amenable number.

16354131325 is a deficient number, since it is larger than the sum of its proper divisors (8242687235).

16354131325 is a wasteful number, since it uses less digits than its factorization.

16354131325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12886 (or 12881 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

Adding to 16354131325 its reverse (52313145361), we get a palindrome (68667276686).

The spelling of 16354131325 in words is "sixteen billion, three hundred fifty-four million, one hundred thirty-one thousand, three hundred twenty-five".