66202443 has 12 divisors (see below), whose sum is σ = 95713488. Its totient is φ = 44094480.

The previous prime is 66202427. The next prime is 66202469. The reversal of 66202443 is 34420266.

It is not a de Polignac number, because 66202443 - 2⁴ = 66202427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66202483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9613 + ... + 14993.

It is an arithmetic number, because the mean of its divisors is an integer number (7976124).

Almost surely, 2^66202443 is an apocalyptic number.

66202443 is a deficient number, since it is larger than the sum of its proper divisors (29511045).

66202443 is a wasteful number, since it uses less digits than its factorization.

66202443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6754 (or 6751 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 66202443 is about 8136.4883702983. The cubic root of 66202443 is about 404.5367726163.

The spelling of 66202443 in words is "sixty-six million, two hundred two thousand, four hundred forty-three".