25671074163 has 16 divisors (see below), whose sum is σ = 39129684480. Its totient is φ = 14664738816.

The previous prime is 25671074131. The next prime is 25671074183. The reversal of 25671074163 is 36147017652.

It is a happy number.

It is not a de Polignac number, because 25671074163 - 2⁵ = 25671074131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25671074183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113695 + ... + 253512.

It is an arithmetic number, because the mean of its divisors is an integer number (2445605280).

Almost surely, 2^25671074163 is an apocalyptic number.

25671074163 is a deficient number, since it is larger than the sum of its proper divisors (13458610317).

25671074163 is a wasteful number, since it uses less digits than its factorization.

25671074163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370546.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 25671074163 in words is "twenty-five billion, six hundred seventy-one million, seventy-four thousand, one hundred sixty-three".