3066406665 has 32 divisors (see below), whose sum is σ = 5726453760. Its totient is φ = 1371958464.

The previous prime is 3066406661. The next prime is 3066406691. The reversal of 3066406665 is 5666046603.

It is a happy number.

3066406665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3066406665 - 2² = 3066406661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3066406661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305745 + ... + 315614.

It is an arithmetic number, because the mean of its divisors is an integer number (178951680).

Almost surely, 2^3066406665 is an apocalyptic number.

3066406665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3066406665 is a deficient number, since it is larger than the sum of its proper divisors (2660047095).

3066406665 is a wasteful number, since it uses less digits than its factorization.

3066406665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621421.

The product of its (nonzero) digits is 466560, while the sum is 42.

The square root of 3066406665 is about 55375.1448305104. The cubic root of 3066406665 is about 1452.8136670603.

The spelling of 3066406665 in words is "three billion, sixty-six million, four hundred six thousand, six hundred sixty-five".