65163611349 has 40 divisors (see below), whose sum is σ = 103948331520. Its totient is φ = 40591303200.

The previous prime is 65163611321. The next prime is 65163611393. The reversal of 65163611349 is 94311636156.

65163611349 is a `hidden beast` number, since 6 + 5 + 1 + 636 + 1 + 1 + 3 + 4 + 9 = 666.

It is not a de Polignac number, because 65163611349 - 2⁷ = 65163611221 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65163611449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 374617 + ... + 520254.

It is an arithmetic number, because the mean of its divisors is an integer number (2598708288).

Almost surely, 2^65163611349 is an apocalyptic number.

It is an amenable number.

65163611349 is a deficient number, since it is larger than the sum of its proper divisors (38784720171).

65163611349 is a wasteful number, since it uses less digits than its factorization.

65163611349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894943 (or 894934 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The spelling of 65163611349 in words is "sixty-five billion, one hundred sixty-three million, six hundred eleven thousand, three hundred forty-nine".