6604052135445 has 40 divisors (see below), whose sum is σ = 12246594786360. Its totient is φ = 3400707300480.

The previous prime is 6604052135437. The next prime is 6604052135491. The reversal of 6604052135445 is 5445312504066.

6604052135445 is a `hidden beast` number, since 6 + 6 + 0 + 40 + 52 + 13 + 544 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 76849819524 + 6527202315921 = 277218^2 + 2554839^2 .

It is not a de Polignac number, because 6604052135445 - 2³ = 6604052135437 is a prime.

It is a super-2 number, since 2×6604052135445² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6604052135445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 281131386 + ... + 281154875.

It is an arithmetic number, because the mean of its divisors is an integer number (306164869659).

Almost surely, 2^{6604052135445} is an apocalyptic number.

It is an amenable number.

6604052135445 is a deficient number, since it is larger than the sum of its proper divisors (5642542650915).

6604052135445 is a wasteful number, since it uses less digits than its factorization.

6604052135445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562286307 (or 562286298 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 6604052135445 in words is "six trillion, six hundred four billion, fifty-two million, one hundred thirty-five thousand, four hundred forty-five".