3625255566 has 24 divisors (see below), whose sum is σ = 7891954824. Its totient is φ = 1202690160.

The previous prime is 3625255541. The next prime is 3625255583. The reversal of 3625255566 is 6655525263.

3625255566 is a `hidden beast` number, since 3 + 62 + 5 + 25 + 5 + 566 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473461 + ... + 481056.

It is an arithmetic number, because the mean of its divisors is an integer number (328831451).

Almost surely, 2^3625255566 is an apocalyptic number.

3625255566 is an abundant number, since it is smaller than the sum of its proper divisors (4266699258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3625255566 is a wasteful number, since it uses less digits than its factorization.

3625255566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954736 (or 954733 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 45.

The square root of 3625255566 is about 60210.0952166661. The cubic root of 3625255566 is about 1536.1945122117.

The spelling of 3625255566 in words is "three billion, six hundred twenty-five million, two hundred fifty-five thousand, five hundred sixty-six".