664211562323033 has 8 divisors (see below), whose sum is σ = 672378426963936. Its totient is φ = 656048609960800.

The previous prime is 664211562323027. The next prime is 664211562323047. The reversal of 664211562323033 is 330323265112466.

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

It is a cyclic number.

It is not a de Polignac number, because 664211562323033 - 2¹⁶ = 664211562257497 is a prime.

It is a super-2 number, since 2×664211562323033² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (664211562323093) 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, 977728028 + ... + 978407133.

It is an arithmetic number, because the mean of its divisors is an integer number (84047303370492).

Almost surely, 2^{664211562323033} is an apocalyptic number.

It is an amenable number.

664211562323033 is a deficient number, since it is larger than the sum of its proper divisors (8166864640903).

664211562323033 is a wasteful number, since it uses less digits than its factorization.

664211562323033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956139335.

The product of its (nonzero) digits is 2799360, while the sum is 47.

The spelling of 664211562323033 in words is "six hundred sixty-four trillion, two hundred eleven billion, five hundred sixty-two million, three hundred twenty-three thousand, thirty-three".