6621345317704 has 32 divisors (see below), whose sum is σ = 13391693736120. Its totient is φ = 3051052494336.

The previous prime is 6621345317683. The next prime is 6621345317729. The reversal of 6621345317704 is 4077135431266.

It can be written as a sum of positive squares in 4 ways, for example, as 2424591552100 + 4196753765604 = 1557110^2 + 2048598^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51529659 + ... + 51657994.

Almost surely, 2^{6621345317704} is an apocalyptic number.

It is an amenable number.

6621345317704 is an abundant number, since it is smaller than the sum of its proper divisors (6770348418416).

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

6621345317704 is a wasteful number, since it uses less digits than its factorization.

6621345317704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103188289 (or 103188285 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 6621345317704 in words is "six trillion, six hundred twenty-one billion, three hundred forty-five million, three hundred seventeen thousand, seven hundred four".