625513632345566 has 8 divisors (see below), whose sum is σ = 939254992538544. Its totient is φ = 312428634832720.

The previous prime is 625513632345521. The next prime is 625513632345583. The reversal of 625513632345566 is 665543236315526.

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

It is a junction number, because it is equal to n+sod(n) for n = 625513632345499 and 625513632345508.

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, 164090667650 + ... + 164090671461.

It is an arithmetic number, because the mean of its divisors is an integer number (117406874067318).

Almost surely, 2^{625513632345566} is an apocalyptic number.

625513632345566 is a deficient number, since it is larger than the sum of its proper divisors (313741360192978).

625513632345566 is a wasteful number, since it uses less digits than its factorization.

625513632345566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328181340066.

The product of its digits is 349920000, while the sum is 62.

The spelling of 625513632345566 in words is "six hundred twenty-five trillion, five hundred thirteen billion, six hundred thirty-two million, three hundred forty-five thousand, five hundred sixty-six".