36683661 has 16 divisors (see below), whose sum is σ = 58841600. Its totient is φ = 19858608.

The previous prime is 36683657. The next prime is 36683681. The reversal of 36683661 is 16638663.

It is not a de Polignac number, because 36683661 - 2² = 36683657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36683611) 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 15 ways as a sum of consecutive naturals, for example, 45571 + ... + 46368.

It is an arithmetic number, because the mean of its divisors is an integer number (3677600).

Almost surely, 2^36683661 is an apocalyptic number.

It is an amenable number.

36683661 is a deficient number, since it is larger than the sum of its proper divisors (22157939).

36683661 is a wasteful number, since it uses less digits than its factorization.

36683661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91968.

The product of its digits is 93312, while the sum is 39.

The square root of 36683661 is about 6056.7038065271. The cubic root of 36683661 is about 332.2698156212.

The spelling of 36683661 in words is "thirty-six million, six hundred eighty-three thousand, six hundred sixty-one".