25816674346 has 16 divisors (see below), whose sum is σ = 42535483200. Its totient is φ = 11697257088.

The previous prime is 25816674341. The next prime is 25816674391. The reversal of 25816674346 is 64347661852.

It is a junction number, because it is equal to n+sod(n) for n = 25816674293 and 25816674302.

It is not an unprimeable number, because it can be changed into a prime (25816674341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14768391 + ... + 14770138.

It is an arithmetic number, because the mean of its divisors is an integer number (2658467700).

Almost surely, 2^25816674346 is an apocalyptic number.

25816674346 is a deficient number, since it is larger than the sum of its proper divisors (16718808854).

25816674346 is a wasteful number, since it uses less digits than its factorization.

25816674346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29538573.

The product of its digits is 5806080, while the sum is 52.

The spelling of 25816674346 in words is "twenty-five billion, eight hundred sixteen million, six hundred seventy-four thousand, three hundred forty-six".