3640366677 has 8 divisors (see below), whose sum is σ = 4926267616. Its totient is φ = 2390688432.

The previous prime is 3640366661. The next prime is 3640366679. The reversal of 3640366677 is 7766630463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3640366677 - 2⁴ = 3640366661 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 (3640366679) 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 7 ways as a sum of consecutive naturals, for example, 9055438 + ... + 9055839.

It is an arithmetic number, because the mean of its divisors is an integer number (615783452).

Almost surely, 2^3640366677 is an apocalyptic number.

It is an amenable number.

3640366677 is a deficient number, since it is larger than the sum of its proper divisors (1285900939).

3640366677 is a wasteful number, since it uses less digits than its factorization.

3640366677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18111347.

The product of its (nonzero) digits is 2286144, while the sum is 48.

The square root of 3640366677 is about 60335.4512455157. The cubic root of 3640366677 is about 1538.3259873757.

The spelling of 3640366677 in words is "three billion, six hundred forty million, three hundred sixty-six thousand, six hundred seventy-seven".