3501604666 has 16 divisors (see below), whose sum is σ = 6007075200. Its totient is φ = 1499606640.

The previous prime is 3501604661. The next prime is 3501604679. The reversal of 3501604666 is 6664061053.

It is a super-2 number, since 2×3501604666² = 24522470473905943112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3501604661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69805 + ... + 108976.

It is an arithmetic number, because the mean of its divisors is an integer number (375442200).

Almost surely, 2^3501604666 is an apocalyptic number.

3501604666 is a deficient number, since it is larger than the sum of its proper divisors (2505470534).

3501604666 is a wasteful number, since it uses less digits than its factorization.

3501604666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180189.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 3501604666 is about 59174.3581798738. The cubic root of 3501604666 is about 1518.5264843471.

The spelling of 3501604666 in words is "three billion, five hundred one million, six hundred four thousand, six hundred sixty-six".