384252454161 has 9 divisors (see below), whose sum is σ = 555034008841. Its totient is φ = 256167063012.

The previous prime is 384252454151. The next prime is 384252454237. The reversal of 384252454161 is 161454252483.

The square root of 384252454161 is 619881.

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

384252454161 is a `hidden beast` number, since 3 + 8 + 4 + 25 + 24 + 541 + 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 384252454161 - 2²⁷ = 384118236433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384252454151) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1756330 + ... + 1962956.

Almost surely, 2^384252454161 is an apocalyptic number.

384252454161 is the 619881-st square number.

384252454161 is the 309941-st centered octagonal number.

It is an amenable number.

384252454161 is a deficient number, since it is larger than the sum of its proper divisors (170781554680).

384252454161 is an frugal number, since it uses more digits than its factorization.

384252454161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413260 (or 206630 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

The spelling of 384252454161 in words is "three hundred eighty-four billion, two hundred fifty-two million, four hundred fifty-four thousand, one hundred sixty-one".