546831878160 has 80 divisors (see below), whose sum is σ = 1696319928576. Its totient is φ = 145723674624.

The previous prime is 546831878143. The next prime is 546831878179. The reversal of 546831878160 is 61878138645.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 546831878160.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 409249 + ... + 1123008.

Almost surely, 2^546831878160 is an apocalyptic number.

It is an amenable number.

546831878160 is an abundant number, since it is smaller than the sum of its proper divisors (1149488050416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

546831878160 is a wasteful number, since it uses less digits than its factorization.

546831878160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533760 (or 1533754 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 546831878160 in words is "five hundred forty-six billion, eight hundred thirty-one million, eight hundred seventy-eight thousand, one hundred sixty".