2566663463 has 24 divisors (see below), whose sum is σ = 3245517072. Its totient is φ = 2011734144.

The previous prime is 2566663453. The next prime is 2566663483. The reversal of 2566663463 is 3643666652.

It is not a de Polignac number, because 2566663463 - 2¹⁴ = 2566647079 is a prime.

It is a super-2 number, since 2×2566663463² = 13175522664598304738, which contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566663423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49331 + ... + 86987.

It is an arithmetic number, because the mean of its divisors is an integer number (135229878).

Almost surely, 2^2566663463 is an apocalyptic number.

2566663463 is a deficient number, since it is larger than the sum of its proper divisors (678853609).

2566663463 is a wasteful number, since it uses less digits than its factorization.

2566663463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37791 (or 37784 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 47.

The square root of 2566663463 is about 50662.2488940236. The cubic root of 2566663463 is about 1369.1666416681.

The spelling of 2566663463 in words is "two billion, five hundred sixty-six million, six hundred sixty-three thousand, four hundred sixty-three".