2566063512 has 96 divisors (see below), whose sum is σ = 7114910400. Its totient is φ = 835118592.

The previous prime is 2566063457. The next prime is 2566063583. The reversal of 2566063512 is 2153606652.

It is a happy number.

2566063512 is a `hidden beast` number, since 2 + 5 + 6 + 6 + 0 + 635 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2087314 + ... + 2088542.

It is an arithmetic number, because the mean of its divisors is an integer number (74113650).

Almost surely, 2^2566063512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2566063512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3557455200).

2566063512 is an abundant number, since it is smaller than the sum of its proper divisors (4548846888).

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

2566063512 is a wasteful number, since it uses less digits than its factorization.

2566063512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1905 (or 1898 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 2566063512 is about 50656.3274626181. The cubic root of 2566063512 is about 1369.0599536250.

The spelling of 2566063512 in words is "two billion, five hundred sixty-six million, sixty-three thousand, five hundred twelve".