25916266514 has 16 divisors (see below), whose sum is σ = 39264605952. Its totient is φ = 12828146688.

The previous prime is 25916266489. The next prime is 25916266559. The reversal of 25916266514 is 41566261952.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669842 + ... + 707474.

It is an arithmetic number, because the mean of its divisors is an integer number (2454037872).

Almost surely, 2^25916266514 is an apocalyptic number.

25916266514 is a deficient number, since it is larger than the sum of its proper divisors (13348339438).

25916266514 is a wasteful number, since it uses less digits than its factorization.

25916266514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41081.

The product of its digits is 777600, while the sum is 47.

The spelling of 25916266514 in words is "twenty-five billion, nine hundred sixteen million, two hundred sixty-six thousand, five hundred fourteen".