545981192680 has 192 divisors, whose sum is σ = 1585359604800. Its totient is φ = 167291228160.

The previous prime is 545981192671. The next prime is 545981192681. The reversal of 545981192680 is 86291189545.

It is not an unprimeable number, because it can be changed into a prime (545981192681) 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 47 ways as a sum of consecutive naturals, for example, 1057432 + ... + 1486648.

It is an arithmetic number, because the mean of its divisors is an integer number (8257081275).

Almost surely, 2^545981192680 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 545981192680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (792679802400).

545981192680 is an abundant number, since it is smaller than the sum of its proper divisors (1039378412120).

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

545981192680 is a wasteful number, since it uses less digits than its factorization.

545981192680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429312 (or 429301 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 58.

The spelling of 545981192680 in words is "five hundred forty-five billion, nine hundred eighty-one million, one hundred ninety-two thousand, six hundred eighty".