66922473263359 has 4 divisors (see below), whose sum is σ = 76482826586704. Its totient is φ = 57362119940016.

The previous prime is 66922473263341. The next prime is 66922473263381. The reversal of 66922473263359 is 95336237422966.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66922473263359 - 2¹⁷ = 66922473132287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66922473263294 and 66922473263303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66922473263329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4780176661662 + ... + 4780176661675.

It is an arithmetic number, because the mean of its divisors is an integer number (19120706646676).

Almost surely, 2^{66922473263359} is an apocalyptic number.

66922473263359 is a deficient number, since it is larger than the sum of its proper divisors (9560353323345).

66922473263359 is an equidigital number, since it uses as much as digits as its factorization.

66922473263359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9560353323344.

The product of its digits is 529079040, while the sum is 67.

The spelling of 66922473263359 in words is "sixty-six trillion, nine hundred twenty-two billion, four hundred seventy-three million, two hundred sixty-three thousand, three hundred fifty-nine".