452666221087 has 4 divisors (see below), whose sum is σ = 452732865040. Its totient is φ = 452599577136.

The previous prime is 452666221079. The next prime is 452666221097. The reversal of 452666221087 is 780122666254.

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 452666221087 - 2³ = 452666221079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 452666221087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452666221037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33311787 + ... + 33325372.

It is an arithmetic number, because the mean of its divisors is an integer number (113183216260).

Almost surely, 2^452666221087 is an apocalyptic number.

452666221087 is a deficient number, since it is larger than the sum of its proper divisors (66643953).

452666221087 is an equidigital number, since it uses as much as digits as its factorization.

452666221087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66643952.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 452666221087 in words is "four hundred fifty-two billion, six hundred sixty-six million, two hundred twenty-one thousand, eighty-seven".