546626868161 has 4 divisors (see below), whose sum is σ = 596320219824. Its totient is φ = 496933516500.

The previous prime is 546626868127. The next prime is 546626868163. The reversal of 546626868161 is 161868626645.

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 546626868161 - 2¹⁴ = 546626851777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 546626868161.

It is not an unprimeable number, because it can be changed into a prime (546626868163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24846675815 + ... + 24846675836.

It is an arithmetic number, because the mean of its divisors is an integer number (149080054956).

Almost surely, 2^546626868161 is an apocalyptic number.

It is an amenable number.

546626868161 is a deficient number, since it is larger than the sum of its proper divisors (49693351663).

546626868161 is a wasteful number, since it uses less digits than its factorization.

546626868161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49693351662.

The product of its digits is 19906560, while the sum is 59.

The spelling of 546626868161 in words is "five hundred forty-six billion, six hundred twenty-six million, eight hundred sixty-eight thousand, one hundred sixty-one".