274536523161 has 12 divisors (see below), whose sum is σ = 396560432788. Its totient is φ = 183020805504.

The previous prime is 274536523159. The next prime is 274536523181. The reversal of 274536523161 is 161325635472.

274536523161 is a `hidden beast` number, since 2 + 7 + 4 + 536 + 52 + 3 + 1 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 151461850761 + 123074672400 = 389181^2 + 350820^2 .

It is not a de Polignac number, because 274536523161 - 2¹ = 274536523159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274536523181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248061 + ... + 781413.

Almost surely, 2^274536523161 is an apocalyptic number.

It is an amenable number.

274536523161 is a deficient number, since it is larger than the sum of its proper divisors (122023909627).

274536523161 is a wasteful number, since it uses less digits than its factorization.

274536523161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590552 (or 590549 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The spelling of 274536523161 in words is "two hundred seventy-four billion, five hundred thirty-six million, five hundred twenty-three thousand, one hundred sixty-one".