66046204443 has 16 divisors (see below), whose sum is σ = 89520832800. Its totient is φ = 43301441280.

The previous prime is 66046204439. The next prime is 66046204529. The reversal of 66046204443 is 34440264066.

It is not a de Polignac number, because 66046204443 - 2² = 66046204439 is a prime.

It is a super-2 number, since 2×66046204443² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66046204423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1140943 + ... + 1197431.

It is an arithmetic number, because the mean of its divisors is an integer number (5595052050).

Almost surely, 2^66046204443 is an apocalyptic number.

66046204443 is a deficient number, since it is larger than the sum of its proper divisors (23474628357).

66046204443 is a wasteful number, since it uses less digits than its factorization.

66046204443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62942.

The product of its (nonzero) digits is 331776, while the sum is 39.

The spelling of 66046204443 in words is "sixty-six billion, forty-six million, two hundred four thousand, four hundred forty-three".