16066033543 has 4 divisors (see below), whose sum is σ = 18361181200. Its totient is φ = 13770885888.

The previous prime is 16066033513. The next prime is 16066033601. The reversal of 16066033543 is 34533066061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16066033543 - 2¹⁷ = 16065902471 is a prime.

It is a super-2 number, since 2×16066033543² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16066033513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1147573818 + ... + 1147573831.

It is an arithmetic number, because the mean of its divisors is an integer number (4590295300).

Almost surely, 2^16066033543 is an apocalyptic number.

16066033543 is a deficient number, since it is larger than the sum of its proper divisors (2295147657).

16066033543 is an equidigital number, since it uses as much as digits as its factorization.

16066033543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295147656.

The product of its (nonzero) digits is 116640, while the sum is 37.

The spelling of 16066033543 in words is "sixteen billion, sixty-six million, thirty-three thousand, five hundred forty-three".