381163548 has 12 divisors (see below), whose sum is σ = 889381640. Its totient is φ = 127054512.

The previous prime is 381163547. The next prime is 381163589. The reversal of 381163548 is 845361183.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381163547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15881803 + ... + 15881826.

Almost surely, 2^381163548 is an apocalyptic number.

It is an amenable number.

381163548 is an abundant number, since it is smaller than the sum of its proper divisors (508218092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381163548 is a wasteful number, since it uses less digits than its factorization.

381163548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31763636 (or 31763634 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 381163548 is about 19523.4102553832. The cubic root of 381163548 is about 725.0541682872.

The spelling of 381163548 in words is "three hundred eighty-one million, one hundred sixty-three thousand, five hundred forty-eight".