36661864 has 16 divisors (see below), whose sum is σ = 69768000. Its totient is φ = 18057072.

The previous prime is 36661861. The next prime is 36661873. The reversal of 36661864 is 46816663.

36661864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (36661861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33664 + ... + 34735.

It is an arithmetic number, because the mean of its divisors is an integer number (4360500).

Almost surely, 2^36661864 is an apocalyptic number.

It is an amenable number.

36661864 is a deficient number, since it is larger than the sum of its proper divisors (33106136).

36661864 is a wasteful number, since it uses less digits than its factorization.

36661864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68472 (or 68468 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 36661864 is about 6054.9041280602. The cubic root of 36661864 is about 332.2039923099.

The spelling of 36661864 in words is "thirty-six million, six hundred sixty-one thousand, eight hundred sixty-four".