3161273628 has 12 divisors (see below), whose sum is σ = 7376305160. Its totient is φ = 1053757872.

The previous prime is 3161273623. The next prime is 3161273629. The reversal of 3161273628 is 8263721613.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161273623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131719723 + ... + 131719746.

Almost surely, 2^3161273628 is an apocalyptic number.

It is an amenable number.

3161273628 is an abundant number, since it is smaller than the sum of its proper divisors (4215031532).

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

3161273628 is a wasteful number, since it uses less digits than its factorization.

3161273628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263439476 (or 263439474 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 3161273628 is about 56225.2045616554. The cubic root of 3161273628 is about 1467.6439076951.

The spelling of 3161273628 in words is "three billion, one hundred sixty-one million, two hundred seventy-three thousand, six hundred twenty-eight".