33542564456161 has 4 divisors (see below), whose sum is σ = 35515656483012. Its totient is φ = 31569472429312.

The previous prime is 33542564456129. The next prime is 33542564456209. The reversal of 33542564456161 is 16165446524533.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19406280425536 + 14136284030625 = 4405256^2 + 3759825^2 .

It is a cyclic number.

It is not a de Polignac number, because 33542564456161 - 2⁵ = 33542564456129 is a prime.

It is a super-2 number, since 2×33542564456161² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33542564456761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 986546013400 + ... + 986546013433.

It is an arithmetic number, because the mean of its divisors is an integer number (8878914120753).

Almost surely, 2^{33542564456161} is an apocalyptic number.

It is an amenable number.

33542564456161 is a deficient number, since it is larger than the sum of its proper divisors (1973092026851).

33542564456161 is a wasteful number, since it uses less digits than its factorization.

33542564456161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1973092026850.

The product of its digits is 31104000, while the sum is 55.

The spelling of 33542564456161 in words is "thirty-three trillion, five hundred forty-two billion, five hundred sixty-four million, four hundred fifty-six thousand, one hundred sixty-one".