6651608 has 16 divisors (see below), whose sum is σ = 12874560. Its totient is φ = 3218400.

The previous prime is 6651587. The next prime is 6651647. The reversal of 6651608 is 8061566.

It is a congruent number.

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, 13163 + ... + 13658.

It is an arithmetic number, because the mean of its divisors is an integer number (804660).

Almost surely, 2^6651608 is an apocalyptic number.

It is an amenable number.

6651608 is a deficient number, since it is larger than the sum of its proper divisors (6222952).

6651608 is a wasteful number, since it uses less digits than its factorization.

6651608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26858 (or 26854 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 6651608 is about 2579.0711506277. The cubic root of 6651608 is about 188.0653914670.

The spelling of 6651608 in words is "six million, six hundred fifty-one thousand, six hundred eight".