25016666537764 has 48 divisors (see below), whose sum is σ = 49419846806400. Its totient is φ = 10976014425600.

The previous prime is 25016666537719. The next prime is 25016666537767. The reversal of 25016666537764 is 46773566661052.

It is a junction number, because it is equal to n+sod(n) for n = 25016666537696 and 25016666537705.

It is not an unprimeable number, because it can be changed into a prime (25016666537767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1786924 + ... + 7295644.

It is an arithmetic number, because the mean of its divisors is an integer number (1029580141800).

Almost surely, 2^{25016666537764} is an apocalyptic number.

It is an amenable number.

25016666537764 is a deficient number, since it is larger than the sum of its proper divisors (24403180268636).

25016666537764 is a wasteful number, since it uses less digits than its factorization.

25016666537764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512324 (or 5512322 counting only the distinct ones).

The product of its (nonzero) digits is 228614400, while the sum is 64.

The spelling of 25016666537764 in words is "twenty-five trillion, sixteen billion, six hundred sixty-six million, five hundred thirty-seven thousand, seven hundred sixty-four".