6552165657645 has 40 divisors (see below), whose sum is σ = 11746544603904. Its totient is φ = 3494136985056.

The previous prime is 6552165657551. The next prime is 6552165657671. The reversal of 6552165657645 is 5467565612556.

6552165657645 is a `hidden beast` number, since 6 + 5 + 5 + 2 + 1 + 6 + 56 + 576 + 4 + 5 = 666.

It is not a de Polignac number, because 6552165657645 - 2¹³ = 6552165649453 is a prime.

It is a super-3 number, since 3×6552165657645³ (a number of 39 digits) contains 333 as substring.

It is a Curzon number.

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, 3244492 + ... + 4861178.

Almost surely, 2^{6552165657645} is an apocalyptic number.

It is an amenable number.

6552165657645 is a deficient number, since it is larger than the sum of its proper divisors (5194378946259).

6552165657645 is a wasteful number, since it uses less digits than its factorization.

6552165657645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626711 (or 1626702 counting only the distinct ones).

The product of its digits is 226800000, while the sum is 63.

The spelling of 6552165657645 in words is "six trillion, five hundred fifty-two billion, one hundred sixty-five million, six hundred fifty-seven thousand, six hundred forty-five".