66452023022 has 32 divisors (see below), whose sum is σ = 125504377344. Its totient is φ = 25634052000.

The previous prime is 66452023019. The next prime is 66452023037. The reversal of 66452023022 is 22032025466.

It is a self number, because there is not a number n which added to its sum of digits gives 66452023022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2120618 + ... + 2151725.

It is an arithmetic number, because the mean of its divisors is an integer number (3922011792).

Almost surely, 2^66452023022 is an apocalyptic number.

66452023022 is a deficient number, since it is larger than the sum of its proper divisors (59052354322).

66452023022 is a wasteful number, since it uses less digits than its factorization.

66452023022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272464.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 66452023022 its reverse (22032025466), we get a palindrome (88484048488).

The spelling of 66452023022 in words is "sixty-six billion, four hundred fifty-two million, twenty-three thousand, twenty-two".