3520664364664 has 32 divisors (see below), whose sum is σ = 7043867082000. Its totient is φ = 1644838140672.

The previous prime is 3520664364661. The next prime is 3520664364757. The reversal of 3520664364664 is 4664634660253.

It is a super-2 number, since 2×3520664364664² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520664364661) 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, 158634559 + ... + 158656750.

Almost surely, 2^{3520664364664} is an apocalyptic number.

It is an amenable number.

3520664364664 is an abundant number, since it is smaller than the sum of its proper divisors (3523202717336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3520664364664 is a wasteful number, since it uses less digits than its factorization.

3520664364664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317291407 (or 317291403 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 55.

The spelling of 3520664364664 in words is "three trillion, five hundred twenty billion, six hundred sixty-four million, three hundred sixty-four thousand, six hundred sixty-four".