3606665406 has 16 divisors (see below), whose sum is σ = 7219611648. Its totient is φ = 1201175000.

The previous prime is 3606665389. The next prime is 3606665437. The reversal of 3606665406 is 6045666063.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254220 + ... + 268031.

It is an arithmetic number, because the mean of its divisors is an integer number (451225728).

Almost surely, 2^3606665406 is an apocalyptic number.

3606665406 is an abundant number, since it is smaller than the sum of its proper divisors (3612946242).

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

3606665406 is a wasteful number, since it uses less digits than its factorization.

3606665406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523407.

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

The square root of 3606665406 is about 60055.5193633358. The cubic root of 3606665406 is about 1533.5641637469.

The spelling of 3606665406 in words is "three billion, six hundred six million, six hundred sixty-five thousand, four hundred six".