6612660413 has 4 divisors (see below), whose sum is σ = 6621756960. Its totient is φ = 6603563868.

The previous prime is 6612660407. The next prime is 6612660427. The reversal of 6612660413 is 3140662166.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6612660413 - 2⁶ = 6612660349 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 (6612660463) 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, 4547183 + ... + 4548636.

It is an arithmetic number, because the mean of its divisors is an integer number (1655439240).

Almost surely, 2^6612660413 is an apocalyptic number.

It is an amenable number.

6612660413 is a deficient number, since it is larger than the sum of its proper divisors (9096547).

6612660413 is an equidigital number, since it uses as much as digits as its factorization.

6612660413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9096546.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 6612660413 is about 81318.2661706458. The cubic root of 6612660413 is about 1876.9760891318.

The spelling of 6612660413 in words is "six billion, six hundred twelve million, six hundred sixty thousand, four hundred thirteen".