336163611661 has 4 divisors (see below), whose sum is σ = 336176808192. Its totient is φ = 336150415132.

The previous prime is 336163611653. The next prime is 336163611677. The reversal of 336163611661 is 166116361633.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 166116361633 = 11423 ⋅14542271.

It is a cyclic number.

It is not a de Polignac number, because 336163611661 - 2³ = 336163611653 is a prime.

It is a super-2 number, since 2×336163611661² (a number of 24 digits) contains 22 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 (336163611631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6559981 + ... + 6611026.

It is an arithmetic number, because the mean of its divisors is an integer number (84044202048).

Almost surely, 2^336163611661 is an apocalyptic number.

It is an amenable number.

336163611661 is a deficient number, since it is larger than the sum of its proper divisors (13196531).

336163611661 is a wasteful number, since it uses less digits than its factorization.

336163611661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13196530.

The product of its digits is 209952, while the sum is 43.

The spelling of 336163611661 in words is "three hundred thirty-six billion, one hundred sixty-three million, six hundred eleven thousand, six hundred sixty-one".