36853491168 has 144 divisors (see below), whose sum is σ = 113149881936. Its totient is φ = 11310796800.

The previous prime is 36853491163. The next prime is 36853491179. The reversal of 36853491168 is 86119435863.

36853491168 is a `hidden beast` number, since 3 + 6 + 8 + 534 + 91 + 16 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×36853491168² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36853491163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1489071 + ... + 1513617.

It is an arithmetic number, because the mean of its divisors is an integer number (785763069).

Almost surely, 2^36853491168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36853491168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56574940968).

36853491168 is an abundant number, since it is smaller than the sum of its proper divisors (76296390768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36853491168 is a wasteful number, since it uses less digits than its factorization.

36853491168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24977 (or 24966 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 36853491168 in words is "thirty-six billion, eight hundred fifty-three million, four hundred ninety-one thousand, one hundred sixty-eight".