3161154772 has 6 divisors (see below), whose sum is σ = 5532020858. Its totient is φ = 1580577384.

The previous prime is 3161154757. The next prime is 3161154781. The reversal of 3161154772 is 2774511613.

It can be written as a sum of positive squares in only one way, i.e., 2741150736 + 420004036 = 52356^2 + 20494^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 395144343 + ... + 395144350.

Almost surely, 2^3161154772 is an apocalyptic number.

It is an amenable number.

3161154772 is a deficient number, since it is larger than the sum of its proper divisors (2370866086).

3161154772 is a wasteful number, since it uses less digits than its factorization.

3161154772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790288697 (or 790288695 counting only the distinct ones).

The product of its digits is 35280, while the sum is 37.

The square root of 3161154772 is about 56224.1475880248. The cubic root of 3161154772 is about 1467.6255142150.

The spelling of 3161154772 in words is "three billion, one hundred sixty-one million, one hundred fifty-four thousand, seven hundred seventy-two".