543691680 has 192 divisors, whose sum is σ = 1977550848. Its totient is φ = 122987520.

The previous prime is 543691633. The next prime is 543691691. The reversal of 543691680 is 86196345.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 345295 + ... + 346865.

It is an arithmetic number, because the mean of its divisors is an integer number (10299744).

Almost surely, 2^543691680 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 543691680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (988775424).

543691680 is an abundant number, since it is smaller than the sum of its proper divisors (1433859168).

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

543691680 is a wasteful number, since it uses less digits than its factorization.

543691680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699 (or 1691 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 543691680 is about 23317.1970871286. The cubic root of 543691680 is about 816.1767687014.

The spelling of 543691680 in words is "five hundred forty-three million, six hundred ninety-one thousand, six hundred eighty".