66002943 has 8 divisors (see below), whose sum is σ = 88041856. Its totient is φ = 43983000.

The previous prime is 66002933. The next prime is 66002947. The reversal of 66002943 is 34920066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66002943 - 2¹⁰ = 66001919 is a prime.

It is a super-2 number, since 2×66002943² = 8712776969322498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66002943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66002947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9438 + ... + 14868.

It is an arithmetic number, because the mean of its divisors is an integer number (11005232).

Almost surely, 2^66002943 is an apocalyptic number.

66002943 is a deficient number, since it is larger than the sum of its proper divisors (22038913).

66002943 is a wasteful number, since it uses less digits than its factorization.

66002943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9485.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 66002943 is about 8124.2195317458. The cubic root of 66002943 is about 404.1300087252.

The spelling of 66002943 in words is "sixty-six million, two thousand, nine hundred forty-three".