6606867491 has 8 divisors (see below), whose sum is σ = 7551197280. Its totient is φ = 5662660608.

The previous prime is 6606867451. The next prime is 6606867497. The reversal of 6606867491 is 1947686066.

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 6606867491 - 2³⁰ = 5533125667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6606867497) 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, 197795 + ... + 228771.

It is an arithmetic number, because the mean of its divisors is an integer number (943899660).

Almost surely, 2^6606867491 is an apocalyptic number.

6606867491 is a deficient number, since it is larger than the sum of its proper divisors (944329789).

6606867491 is a wasteful number, since it uses less digits than its factorization.

6606867491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61453.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The square root of 6606867491 is about 81282.6395425247. The cubic root of 6606867491 is about 1876.4278300832.

The spelling of 6606867491 in words is "six billion, six hundred six million, eight hundred sixty-seven thousand, four hundred ninety-one".