3671993168 has 20 divisors (see below), whose sum is σ = 7184930388. Its totient is φ = 1817817600.

The previous prime is 3671993159. The next prime is 3671993179. The reversal of 3671993168 is 8613991763.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2204490304 + 1467502864 = 46952^2 + 38308^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 1134521 + ... + 1137752.

Almost surely, 2^3671993168 is an apocalyptic number.

It is an amenable number.

3671993168 is a deficient number, since it is larger than the sum of its proper divisors (3512937220).

3671993168 is a wasteful number, since it uses less digits than its factorization.

3671993168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272382 (or 2272376 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 53.

The square root of 3671993168 is about 60596.9732577461. The cubic root of 3671993168 is about 1542.7679975863.

The spelling of 3671993168 in words is "three billion, six hundred seventy-one million, nine hundred ninety-three thousand, one hundred sixty-eight".