6601996 has 12 divisors (see below), whose sum is σ = 11799648. Its totient is φ = 3230672.

The previous prime is 6601993. The next prime is 6601997. The reversal of 6601996 is 6991066.

It is not an unprimeable number, because it can be changed into a prime (6601993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17371 + ... + 17746.

It is an arithmetic number, because the mean of its divisors is an integer number (983304).

Almost surely, 2^6601996 is an apocalyptic number.

It is an amenable number.

6601996 is a deficient number, since it is larger than the sum of its proper divisors (5197652).

6601996 is a wasteful number, since it uses less digits than its factorization.

6601996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35168 (or 35166 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 6601996 is about 2569.4349573398. The cubic root of 6601996 is about 187.5966529833.

The spelling of 6601996 in words is "six million, six hundred one thousand, nine hundred ninety-six".