360661165551 has 6 divisors (see below), whose sum is σ = 520955016920. Its totient is φ = 240440777028.

The previous prime is 360661165541. The next prime is 360661165559. The reversal of 360661165551 is 155561166063.

360661165551 is a `hidden beast` number, since 36 + 0 + 6 + 6 + 1 + 1 + 65 + 551 = 666.

It is not a de Polignac number, because 360661165551 - 2¹³ = 360661157359 is a prime.

It is a super-3 number, since 3×360661165551³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 360661165497 and 360661165506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (360661165559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20036731411 + ... + 20036731428.

Almost surely, 2^360661165551 is an apocalyptic number.

360661165551 is a deficient number, since it is larger than the sum of its proper divisors (160293851369).

360661165551 is a wasteful number, since it uses less digits than its factorization.

360661165551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40073462845 (or 40073462842 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 360661165551 in words is "three hundred sixty billion, six hundred sixty-one million, one hundred sixty-five thousand, five hundred fifty-one".