3668518607 has 16 divisors (see below), whose sum is σ = 4125014208. Its totient is φ = 3237104640.

The previous prime is 3668518591. The next prime is 3668518639. The reversal of 3668518607 is 7068158663.

It is a happy number.

It is not a de Polignac number, because 3668518607 - 2⁴ = 3668518591 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 (3668518687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 709343 + ... + 714495.

It is an arithmetic number, because the mean of its divisors is an integer number (257813388).

Almost surely, 2^3668518607 is an apocalyptic number.

3668518607 is a deficient number, since it is larger than the sum of its proper divisors (456495601).

3668518607 is a wasteful number, since it uses less digits than its factorization.

3668518607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7570.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 3668518607 is about 60568.2970455667. The cubic root of 3668518607 is about 1542.2812380434.

The spelling of 3668518607 in words is "three billion, six hundred sixty-eight million, five hundred eighteen thousand, six hundred seven".