3661165161517 has 8 divisors (see below), whose sum is σ = 3840348072960. Its totient is φ = 3483649068240.

The previous prime is 3661165161497. The next prime is 3661165161523. The reversal of 3661165161517 is 7151615611663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3661165161517 - 2¹¹ = 3661165159469 is a prime.

It is a super-3 number, since 3×3661165161517³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3661165161557) 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 7 ways as a sum of consecutive naturals, for example, 416700042 + ... + 416708827.

It is an arithmetic number, because the mean of its divisors is an integer number (480043509120).

Almost surely, 2^{3661165161517} is an apocalyptic number.

It is an amenable number.

3661165161517 is a deficient number, since it is larger than the sum of its proper divisors (179182911443).

3661165161517 is a wasteful number, since it uses less digits than its factorization.

3661165161517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833409083.

The product of its digits is 680400, while the sum is 49.

The spelling of 3661165161517 in words is "three trillion, six hundred sixty-one billion, one hundred sixty-five million, one hundred sixty-one thousand, five hundred seventeen".