6663562 has 8 divisors (see below), whose sum is σ = 10340100. Its totient is φ = 3216864.

The previous prime is 6663557. The next prime is 6663593. The reversal of 6663562 is 2653666.

It can be written as a sum of positive squares in 2 ways, for example, as 6651241 + 12321 = 2579^2 + 111^2 .

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

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, 57387 + ... + 57502.

Almost surely, 2^6663562 is an apocalyptic number.

6663562 is a deficient number, since it is larger than the sum of its proper divisors (3676538).

6663562 is a wasteful number, since it uses less digits than its factorization.

6663562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114920.

The product of its digits is 38880, while the sum is 34.

The square root of 6663562 is about 2581.3876113439. The cubic root of 6663562 is about 188.1779852078.

It can be divided in two parts, 6663 and 562, that added together give a square (7225 = 85²).

The spelling of 6663562 in words is "six million, six hundred sixty-three thousand, five hundred sixty-two".