66823258033 has 8 divisors (see below), whose sum is σ = 79002866880. Its totient is φ = 55302006480.

The previous prime is 66823258013. The next prime is 66823258043. The reversal of 66823258033 is 33085232866.

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

It is not a de Polignac number, because 66823258033 - 2¹³ = 66823249841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66823258013) 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, 164589103 + ... + 164589508.

It is an arithmetic number, because the mean of its divisors is an integer number (9875358360).

Almost surely, 2^66823258033 is an apocalyptic number.

It is an amenable number.

66823258033 is a deficient number, since it is larger than the sum of its proper divisors (12179608847).

66823258033 is a wasteful number, since it uses less digits than its factorization.

66823258033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329178647.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 66823258033 in words is "sixty-six billion, eight hundred twenty-three million, two hundred fifty-eight thousand, thirty-three".