381359668 has 12 divisors (see below), whose sum is σ = 667922500. Its totient is φ = 190524672.

The previous prime is 381359653. The next prime is 381359677. The reversal of 381359668 is 866953183.

381359668 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 118984464 + 262375204 = 10908^2 + 16198^2 .

381359668 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33171 + ... + 43162.

Almost surely, 2^381359668 is an apocalyptic number.

It is an amenable number.

381359668 is a deficient number, since it is larger than the sum of its proper divisors (286562832).

381359668 is a wasteful number, since it uses less digits than its factorization.

381359668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77586 (or 77584 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 381359668 is about 19528.4322975502. The cubic root of 381359668 is about 725.1785009548.

The spelling of 381359668 in words is "three hundred eighty-one million, three hundred fifty-nine thousand, six hundred sixty-eight".