284749237161 has 45 divisors (see below), whose sum is σ = 428918031399. Its totient is φ = 188260783200.

The previous prime is 284749237127. The next prime is 284749237181. The reversal of 284749237161 is 161732947482.

The square root of 284749237161 is 533619.

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

284749237161 is a `hidden beast` number, since 2 + 8 + 474 + 9 + 2 + 3 + 7 + 161 = 666.

It can be written as a sum of positive squares in only one way, i.e., 192430491561 + 92318745600 = 438669^2 + 303840^2 .

It is not a de Polignac number, because 284749237161 - 2³¹ = 282601753513 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 284749237098 and 284749237107.

It is not an unprimeable number, because it can be changed into a prime (284749237181) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1013342341 + ... + 1013342621.

Almost surely, 2^284749237161 is an apocalyptic number.

284749237161 is the 533619-th square number.

284749237161 is the 266810-th centered octagonal number.

It is an amenable number.

284749237161 is a deficient number, since it is larger than the sum of its proper divisors (144168794238).

284749237161 is an frugal number, since it uses more digits than its factorization.

284749237161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 495 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 284749237161 in words is "two hundred eighty-four billion, seven hundred forty-nine million, two hundred thirty-seven thousand, one hundred sixty-one".