3271161478 has 32 divisors (see below), whose sum is σ = 5544145152. Its totient is φ = 1437091200.

The previous prime is 3271161473. The next prime is 3271161511. The reversal of 3271161478 is 8741611723.

It is a happy number.

It is a super-2 number, since 2×3271161478² = 21400994830302288968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3271161478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3271161473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15900 + ... + 82432.

It is an arithmetic number, because the mean of its divisors is an integer number (173254536).

Almost surely, 2^3271161478 is an apocalyptic number.

3271161478 is a deficient number, since it is larger than the sum of its proper divisors (2272983674).

3271161478 is a wasteful number, since it uses less digits than its factorization.

3271161478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66640.

The product of its digits is 56448, while the sum is 40.

The square root of 3271161478 is about 57194.0685561012. The cubic root of 3271161478 is about 1484.4559942467.

The spelling of 3271161478 in words is "three billion, two hundred seventy-one million, one hundred sixty-one thousand, four hundred seventy-eight".