243161225051526 has 12 divisors (see below), whose sum is σ = 526849320945012. Its totient is φ = 81053741683836.

The previous prime is 243161225051513. The next prime is 243161225051561. The reversal of 243161225051526 is 625150522161342.

243161225051526 is a `hidden beast` number, since 2 + 4 + 3 + 1 + 6 + 1 + 22 + 50 + 51 + 526 = 666.

It is a super-2 number, since 2×243161225051526² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6754478473636 + ... + 6754478473671.

It is an arithmetic number, because the mean of its divisors is an integer number (43904110078751).

Almost surely, 2^{243161225051526} is an apocalyptic number.

243161225051526 is an abundant number, since it is smaller than the sum of its proper divisors (283688095893486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243161225051526 is a wasteful number, since it uses less digits than its factorization.

243161225051526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13508956947315 (or 13508956947312 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 243161225051526 in words is "two hundred forty-three trillion, one hundred sixty-one billion, two hundred twenty-five million, fifty-one thousand, five hundred twenty-six".