3138161888 has 12 divisors (see below), whose sum is σ = 6178256280. Its totient is φ = 1569080928.

The previous prime is 3138161839. The next prime is 3138161909. The reversal of 3138161888 is 8881618313.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49033748 + ... + 49033811.

It is an arithmetic number, because the mean of its divisors is an integer number (514854690).

Almost surely, 2^3138161888 is an apocalyptic number.

It is an amenable number.

3138161888 is a deficient number, since it is larger than the sum of its proper divisors (3040094392).

3138161888 is an equidigital number, since it uses as much as digits as its factorization.

3138161888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98067569 (or 98067561 counting only the distinct ones).

The product of its digits is 221184, while the sum is 47.

The square root of 3138161888 is about 56019.2992458849. The cubic root of 3138161888 is about 1464.0585591753.

The spelling of 3138161888 in words is "three billion, one hundred thirty-eight million, one hundred sixty-one thousand, eight hundred eighty-eight".