381163652 has 12 divisors (see below), whose sum is σ = 667175376. Its totient is φ = 190542120.

The previous prime is 381163649. The next prime is 381163669. The reversal of 381163652 is 256361183.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26627 + ... + 38357.

It is an arithmetic number, because the mean of its divisors is an integer number (55597948).

Almost surely, 2^381163652 is an apocalyptic number.

It is an amenable number.

381163652 is a deficient number, since it is larger than the sum of its proper divisors (286011724).

381163652 is a wasteful number, since it uses less digits than its factorization.

381163652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19858 (or 19856 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 381163652 is about 19523.4129188521. The cubic root of 381163652 is about 725.0542342306.

The spelling of 381163652 in words is "three hundred eighty-one million, one hundred sixty-three thousand, six hundred fifty-two".