36081664 has 52 divisors (see below), whose sum is σ = 75488256. Its totient is φ = 17211392.

The previous prime is 36081659. The next prime is 36081673. The reversal of 36081664 is 46618063.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94017 + ... + 94399.

Almost surely, 2^36081664 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 36081664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37744128).

36081664 is an abundant number, since it is smaller than the sum of its proper divisors (39406592).

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

36081664 is an equidigital number, since it uses as much as digits as its factorization.

36081664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 36081664 is about 6006.8014783244. The cubic root of 36081664 is about 330.4422109535.

The spelling of 36081664 in words is "thirty-six million, eighty-one thousand, six hundred sixty-four".