6662650 has 12 divisors (see below), whose sum is σ = 12392622. Its totient is φ = 2665040.

The previous prime is 6662641. The next prime is 6662651. The reversal of 6662650 is 562666.

It can be written as a sum of positive squares in 3 ways, for example, as 6185169 + 477481 = 2487^2 + 691^2 .

It is not an unprimeable number, because it can be changed into a prime (6662651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66577 + ... + 66676.

Almost surely, 2^6662650 is an apocalyptic number.

6662650 is a deficient number, since it is larger than the sum of its proper divisors (5729972).

6662650 is a wasteful number, since it uses less digits than its factorization.

6662650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133265 (or 133260 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 6662650 is about 2581.2109561212. The cubic root of 6662650 is about 188.1693999020.

The spelling of 6662650 in words is "six million, six hundred sixty-two thousand, six hundred fifty".