546221021760 has 504 divisors, whose sum is σ = 1955684996928. Its totient is φ = 139919616000.

The previous prime is 546221021743. The next prime is 546221021767. The reversal of 546221021760 is 67120122645.

It is a happy number.

546221021760 is a `hidden beast` number, since 5 + 4 + 622 + 1 + 0 + 21 + 7 + 6 + 0 = 666.

It is a super-2 number, since 2×546221021760² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (546221021767) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 417919027 + ... + 417920333.

Almost surely, 2^546221021760 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 546221021760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (977842498464).

546221021760 is an abundant number, since it is smaller than the sum of its proper divisors (1409463975168).

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

546221021760 is a wasteful number, since it uses less digits than its factorization.

546221021760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543 (or 1499 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 546221021760 in words is "five hundred forty-six billion, two hundred twenty-one million, twenty-one thousand, seven hundred sixty".