664353032307733 has 16 divisors (see below), whose sum is σ = 705625949957760. Its totient is φ = 623324375202816.

The previous prime is 664353032307691. The next prime is 664353032307761. The reversal of 664353032307733 is 337703230353466.

It is a cyclic number.

It is not a de Polignac number, because 664353032307733 - 2²¹ = 664353030210581 is a prime.

It is a super-2 number, since 2×664353032307733² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664353032307533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29442160 + ... + 46856662.

It is an arithmetic number, because the mean of its divisors is an integer number (44101621872360).

Almost surely, 2^{664353032307733} is an apocalyptic number.

It is an amenable number.

664353032307733 is a deficient number, since it is larger than the sum of its proper divisors (41272917650027).

664353032307733 is a wasteful number, since it uses less digits than its factorization.

664353032307733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17421516.

The product of its (nonzero) digits is 51438240, while the sum is 55.

The spelling of 664353032307733 in words is "six hundred sixty-four trillion, three hundred fifty-three billion, thirty-two million, three hundred seven thousand, seven hundred thirty-three".