3666036613 has 8 divisors (see below), whose sum is σ = 3745323648. Its totient is φ = 3586803264.

The previous prime is 3666036523. The next prime is 3666036617. The reversal of 3666036613 is 3166306663.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3666036613 - 2¹⁷ = 3665905541 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 (3666036617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144445 + ... + 167917.

It is an arithmetic number, because the mean of its divisors is an integer number (468165456).

Almost surely, 2^3666036613 is an apocalyptic number.

It is an amenable number.

3666036613 is a deficient number, since it is larger than the sum of its proper divisors (79287035).

3666036613 is a wasteful number, since it uses less digits than its factorization.

3666036613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26843.

The product of its (nonzero) digits is 209952, while the sum is 40.

The square root of 3666036613 is about 60547.8043615126. The cubic root of 3666036613 is about 1541.9333413584.

The spelling of 3666036613 in words is "three billion, six hundred sixty-six million, thirty-six thousand, six hundred thirteen".