7664414217605 has 8 divisors (see below), whose sum is σ = 9197736639000. Its totient is φ = 6131238322176.

The previous prime is 7664414217599. The next prime is 7664414217697. The reversal of 7664414217605 is 5067124144667.

It can be written as a sum of positive squares in 4 ways, for example, as 1560487009 + 7662853730596 = 39503^2 + 2768186^2 .

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 7664414217605 - 2²⁸ = 7664145782149 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36516380 + ... + 36725669.

It is an arithmetic number, because the mean of its divisors is an integer number (1149717079875).

Almost surely, 2^{7664414217605} is an apocalyptic number.

It is an amenable number.

7664414217605 is a deficient number, since it is larger than the sum of its proper divisors (1533322421395).

7664414217605 is a wasteful number, since it uses less digits than its factorization.

7664414217605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73262983.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 7664414217605 in words is "seven trillion, six hundred sixty-four billion, four hundred fourteen million, two hundred seventeen thousand, six hundred five".