6666435 has 64 divisors (see below), whose sum is σ = 13132800. Its totient is φ = 3193344.

The previous prime is 6666391. The next prime is 6666437. The reversal of 6666435 is 5346666.

6666435 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6666435 - 2¹¹ = 6664387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6666435.

It is not an unprimeable number, because it can be changed into a prime (6666437) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58939 + ... + 59051.

It is an arithmetic number, because the mean of its divisors is an integer number (205200).

Almost surely, 2^6666435 is an apocalyptic number.

6666435 is a deficient number, since it is larger than the sum of its proper divisors (6466365).

6666435 is a wasteful number, since it uses less digits than its factorization.

6666435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 163 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 6666435 is about 2581.9440350248. The cubic root of 6666435 is about 188.2050256842.

The spelling of 6666435 in words is "six million, six hundred sixty-six thousand, four hundred thirty-five".