25244374232066 has 32 divisors (see below), whose sum is σ = 41382425206080. Its totient is φ = 11454314803200.

The previous prime is 25244374232041. The next prime is 25244374232107. The reversal of 25244374232066 is 66023247344252.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551417165 + ... + 551462943.

It is an arithmetic number, because the mean of its divisors is an integer number (1293200787690).

Almost surely, 2^{25244374232066} is an apocalyptic number.

25244374232066 is a deficient number, since it is larger than the sum of its proper divisors (16138050974014).

25244374232066 is a wasteful number, since it uses less digits than its factorization.

25244374232066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89810.

The product of its (nonzero) digits is 11612160, while the sum is 50.

The spelling of 25244374232066 in words is "twenty-five trillion, two hundred forty-four billion, three hundred seventy-four million, two hundred thirty-two thousand, sixty-six".