546332391920 has 160 divisors (see below), whose sum is σ = 1482118471680. Its totient is φ = 183414481920.

The previous prime is 546332391919. The next prime is 546332391973. The reversal of 546332391920 is 29193233645.

It is a super-3 number, since 3×546332391920³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7581821 + ... + 7653539.

It is an arithmetic number, because the mean of its divisors is an integer number (9263240448).

Almost surely, 2^546332391920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 546332391920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (741059235840).

546332391920 is an abundant number, since it is smaller than the sum of its proper divisors (935786079760).

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

546332391920 is a wasteful number, since it uses less digits than its factorization.

546332391920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72023 (or 72017 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 47.

The spelling of 546332391920 in words is "five hundred forty-six billion, three hundred thirty-two million, three hundred ninety-one thousand, nine hundred twenty".