22533453405161 has 8 divisors (see below), whose sum is σ = 22775632094664. Its totient is φ = 22291648739200.

The previous prime is 22533453405119. The next prime is 22533453405181. The reversal of 22533453405161 is 16150435433522.

It can be written as a sum of positive squares in 4 ways, for example, as 5413388635561 + 17120064769600 = 2326669^2 + 4137640^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22533453405161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22533453405181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93384746 + ... + 93625731.

It is an arithmetic number, because the mean of its divisors is an integer number (2846954011833).

Almost surely, 2^{22533453405161} is an apocalyptic number.

It is an amenable number.

22533453405161 is a deficient number, since it is larger than the sum of its proper divisors (242178689503).

22533453405161 is a wasteful number, since it uses less digits than its factorization.

22533453405161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187011771.

The product of its (nonzero) digits is 1296000, while the sum is 44.

Adding to 22533453405161 its reverse (16150435433522), we get a palindrome (38683888838683).

The spelling of 22533453405161 in words is "twenty-two trillion, five hundred thirty-three billion, four hundred fifty-three million, four hundred five thousand, one hundred sixty-one".