534040205161 has 4 divisors (see below), whose sum is σ = 562147584400. Its totient is φ = 505932825924.

The previous prime is 534040205147. The next prime is 534040205173. The reversal of 534040205161 is 161502040435.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 534040205161 - 2⁷ = 534040205033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (534040205131) 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, 14053689591 + ... + 14053689628.

It is an arithmetic number, because the mean of its divisors is an integer number (140536896100).

Almost surely, 2^534040205161 is an apocalyptic number.

It is an amenable number.

534040205161 is a deficient number, since it is larger than the sum of its proper divisors (28107379239).

534040205161 is a wasteful number, since it uses less digits than its factorization.

534040205161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28107379238.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 534040205161 its reverse (161502040435), we get a palindrome (695542245596).

The spelling of 534040205161 in words is "five hundred thirty-four billion, forty million, two hundred five thousand, one hundred sixty-one".