66002193273 has 4 divisors (see below), whose sum is σ = 88002924368. Its totient is φ = 44001462180.

The previous prime is 66002193263. The next prime is 66002193277. The reversal of 66002193273 is 37239120066.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 66002193273 - 2³⁰ = 64928451449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66002193277) 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, 11000365543 + ... + 11000365548.

It is an arithmetic number, because the mean of its divisors is an integer number (22000731092).

Almost surely, 2^66002193273 is an apocalyptic number.

It is an amenable number.

66002193273 is a deficient number, since it is larger than the sum of its proper divisors (22000731095).

66002193273 is a wasteful number, since it uses less digits than its factorization.

66002193273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22000731094.

The product of its (nonzero) digits is 81648, while the sum is 39.

The spelling of 66002193273 in words is "sixty-six billion, two million, one hundred ninety-three thousand, two hundred seventy-three".