552060172665 has 24 divisors (see below), whose sum is σ = 972591259848. Its totient is φ = 289605335040.

The previous prime is 552060172637. The next prime is 552060172709. The reversal of 552060172665 is 566271060255.

552060172665 is a `hidden beast` number, since 5 + 520 + 60 + 1 + 7 + 2 + 6 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12685967424 + 539374205241 = 112632^2 + 734421^2 .

It is not a de Polignac number, because 552060172665 - 2¹³ = 552060164473 is a prime.

It is a super-2 number, since 2×552060172665² (a number of 24 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 552060172665.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100554664 + ... + 100560153.

It is an arithmetic number, because the mean of its divisors is an integer number (40524635827).

Almost surely, 2^552060172665 is an apocalyptic number.

It is an amenable number.

552060172665 is a deficient number, since it is larger than the sum of its proper divisors (420531087183).

552060172665 is a wasteful number, since it uses less digits than its factorization.

552060172665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201114889 (or 201114886 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 552060172665 in words is "five hundred fifty-two billion, sixty million, one hundred seventy-two thousand, six hundred sixty-five".