384237577161 has 9 divisors (see below), whose sum is σ = 555012519789. Its totient is φ = 256157145036.

The previous prime is 384237577151. The next prime is 384237577189. The reversal of 384237577161 is 161775732483.

The square root of 384237577161 is 619869.

It is a perfect power (a square), and thus also a powerful number.

384237577161 is a `hidden beast` number, since 3 + 8 + 4 + 2 + 3 + 7 + 577 + 1 + 61 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 384237577161 - 2⁹ = 384237576649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 384237577098 and 384237577107.

It is not an unprimeable number, because it can be changed into a prime (384237577151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1756296 + ... + 1962918.

Almost surely, 2^384237577161 is an apocalyptic number.

384237577161 is the 619869-th square number.

384237577161 is the 309935-th centered octagonal number.

It is an amenable number.

384237577161 is a deficient number, since it is larger than the sum of its proper divisors (170774942628).

384237577161 is an frugal number, since it uses more digits than its factorization.

384237577161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413252 (or 206626 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The spelling of 384237577161 in words is "three hundred eighty-four billion, two hundred thirty-seven million, five hundred seventy-seven thousand, one hundred sixty-one".