383161563 has 8 divisors (see below), whose sum is σ = 567646800. Its totient is φ = 255441024.

The previous prime is 383161553. The next prime is 383161567. The reversal of 383161563 is 365161383.

It is a happy number.

383161563 is a `hidden beast` number, since 3 + 8 + 31 + 61 + 563 = 666.

It is not a de Polignac number, because 383161563 - 2⁴ = 383161547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (383161567) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7095558 + ... + 7095611.

It is an arithmetic number, because the mean of its divisors is an integer number (70955850).

Almost surely, 2^383161563 is an apocalyptic number.

383161563 is a deficient number, since it is larger than the sum of its proper divisors (184485237).

383161563 is a wasteful number, since it uses less digits than its factorization.

383161563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14191178 (or 14191172 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 383161563 is about 19574.5130973927. The cubic root of 383161563 is about 726.3188443086.

The spelling of 383161563 in words is "three hundred eighty-three million, one hundred sixty-one thousand, five hundred sixty-three".