3266431655 has 4 divisors (see below), whose sum is σ = 3919717992. Its totient is φ = 2613145320.

The previous prime is 3266431643. The next prime is 3266431757. The reversal of 3266431655 is 5561346623.

3266431655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-3266431655 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326643161 + ... + 326643170.

It is an arithmetic number, because the mean of its divisors is an integer number (979929498).

Almost surely, 2^3266431655 is an apocalyptic number.

3266431655 is a deficient number, since it is larger than the sum of its proper divisors (653286337).

3266431655 is an equidigital number, since it uses as much as digits as its factorization.

3266431655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653286336.

The product of its digits is 388800, while the sum is 41.

The square root of 3266431655 is about 57152.7047041520. The cubic root of 3266431655 is about 1483.7401831707.

The spelling of 3266431655 in words is "three billion, two hundred sixty-six million, four hundred thirty-one thousand, six hundred fifty-five".