3500940666 has 32 divisors (see below), whose sum is σ = 7195023360. Its totient is φ = 1134824256.

The previous prime is 3500940659. The next prime is 3500940683. The reversal of 3500940666 is 6660490053.

It is a happy number.

3500940666 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593580 + ... + 599448.

It is an arithmetic number, because the mean of its divisors is an integer number (224844480).

Almost surely, 2^3500940666 is an apocalyptic number.

3500940666 is an abundant number, since it is smaller than the sum of its proper divisors (3694082694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3500940666 is a wasteful number, since it uses less digits than its factorization.

3500940666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8598.

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 3500940666 is about 59168.7473756205. The cubic root of 3500940666 is about 1518.4304935636.

The spelling of 3500940666 in words is "three billion, five hundred million, nine hundred forty thousand, six hundred sixty-six".