3640664014 has 8 divisors (see below), whose sum is σ = 5881072680. Its totient is φ = 1680306456.

The previous prime is 3640663991. The next prime is 3640664017. The reversal of 3640664014 is 4104660463.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640664017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70012744 + ... + 70012795.

It is an arithmetic number, because the mean of its divisors is an integer number (735134085).

Almost surely, 2^3640664014 is an apocalyptic number.

3640664014 is a deficient number, since it is larger than the sum of its proper divisors (2240408666).

3640664014 is a wasteful number, since it uses less digits than its factorization.

3640664014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140025554.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 3640664014 is about 60337.9152274919. The cubic root of 3640664014 is about 1538.3678685763.

The spelling of 3640664014 in words is "three billion, six hundred forty million, six hundred sixty-four thousand, fourteen".