664277054704511 has 4 divisors (see below), whose sum is σ = 664278259164912. Its totient is φ = 664275850244112.

The previous prime is 664277054704499. The next prime is 664277054704639. The reversal of 664277054704511 is 115407450772466.

664277054704511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-664277054704511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664277054724511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601402550 + ... + 602506083.

It is an arithmetic number, because the mean of its divisors is an integer number (166069564791228).

Almost surely, 2^{664277054704511} is an apocalyptic number.

664277054704511 is a deficient number, since it is larger than the sum of its proper divisors (1204460401).

664277054704511 is a wasteful number, since it uses less digits than its factorization.

664277054704511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204460400.

The product of its (nonzero) digits is 39513600, while the sum is 59.

The spelling of 664277054704511 in words is "six hundred sixty-four trillion, two hundred seventy-seven billion, fifty-four million, seven hundred four thousand, five hundred eleven".