2566063642 has 8 divisors (see below), whose sum is σ = 3853062432. Its totient is φ = 1281709500.

The previous prime is 2566063631. The next prime is 2566063651. The reversal of 2566063642 is 2463606652.

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

It is a super-2 number, since 2×2566063642² = 13169365229588608328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2566063595 and 2566063604.

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, 658734 + ... + 662617.

It is an arithmetic number, because the mean of its divisors is an integer number (481632804).

Almost surely, 2^2566063642 is an apocalyptic number.

2566063642 is a deficient number, since it is larger than the sum of its proper divisors (1286998790).

2566063642 is a wasteful number, since it uses less digits than its factorization.

2566063642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322324.

The product of its (nonzero) digits is 311040, while the sum is 40.

The square root of 2566063642 is about 50656.3287457747. The cubic root of 2566063642 is about 1369.0599767444.

The spelling of 2566063642 in words is "two billion, five hundred sixty-six million, sixty-three thousand, six hundred forty-two".