6605961 has 16 divisors (see below), whose sum is σ = 9240000. Its totient is φ = 4193280.

The previous prime is 6605953. The next prime is 6605969. The reversal of 6605961 is 1695066.

It is an interprime number because it is at equal distance from previous prime (6605953) and next prime (6605969).

It is not a de Polignac number, because 6605961 - 2³ = 6605953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6605969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4665 + ... + 5913.

It is an arithmetic number, because the mean of its divisors is an integer number (577500).

Almost surely, 2^6605961 is an apocalyptic number.

It is an amenable number.

6605961 is a deficient number, since it is larger than the sum of its proper divisors (2634039).

6605961 is a wasteful number, since it uses less digits than its factorization.

6605961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 6605961 is about 2570.2064119444. The cubic root of 6605961 is about 187.6342008134.

The spelling of 6605961 in words is "six million, six hundred five thousand, nine hundred sixty-one".