25616041078 has 8 divisors (see below), whose sum is σ = 38426041800. Its totient is φ = 12807360480.

The previous prime is 25616041067. The next prime is 25616041093. The reversal of 25616041078 is 87014061652.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25616041078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280003 + ... + 360046.

It is an arithmetic number, because the mean of its divisors is an integer number (4803255225).

Almost surely, 2^25616041078 is an apocalyptic number.

25616041078 is a deficient number, since it is larger than the sum of its proper divisors (12810000722).

25616041078 is a wasteful number, since it uses less digits than its factorization.

25616041078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660062.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 25616041078 in words is "twenty-five billion, six hundred sixteen million, forty-one thousand, seventy-eight".