25542326322166 has 8 divisors (see below), whose sum is σ = 38593149990840. Its totient is φ = 12677942991888.

The previous prime is 25542326322151. The next prime is 25542326322229. The reversal of 25542326322166 is 66122362324552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46610084256 + ... + 46610084803.

It is an arithmetic number, because the mean of its divisors is an integer number (4824143748855).

Almost surely, 2^{25542326322166} is an apocalyptic number.

25542326322166 is a deficient number, since it is larger than the sum of its proper divisors (13050823668674).

25542326322166 is a wasteful number, since it uses less digits than its factorization.

25542326322166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93220169198.

The product of its digits is 6220800, while the sum is 49.

The spelling of 25542326322166 in words is "twenty-five trillion, five hundred forty-two billion, three hundred twenty-six million, three hundred twenty-two thousand, one hundred sixty-six".