36561642242266 has 8 divisors (see below), whose sum is σ = 54844240075380. Its totient is φ = 18280228883808.

The previous prime is 36561642242263. The next prime is 36561642242341. The reversal of 36561642242266 is 66224224616563.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36561117603241 + 524639025 = 6046579^2 + 22905^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (36561642242263) 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 3 ways as a sum of consecutive naturals, for example, 296041491 + ... + 296164966.

Almost surely, 2^{36561642242266} is an apocalyptic number.

36561642242266 is a deficient number, since it is larger than the sum of its proper divisors (18282597833114).

36561642242266 is a wasteful number, since it uses less digits than its factorization.

36561642242266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592237328.

The product of its digits is 29859840, while the sum is 55.

The spelling of 36561642242266 in words is "thirty-six trillion, five hundred sixty-one billion, six hundred forty-two million, two hundred forty-two thousand, two hundred sixty-six".