6601607947 has 8 divisors (see below), whose sum is σ = 7214552640. Its totient is φ = 5990796360.

The previous prime is 6601607933. The next prime is 6601607951. The reversal of 6601607947 is 7497061066.

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 6601607947 - 2¹⁵ = 6601575179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6601607897 and 6601607906.

It is not an unprimeable number, because it can be changed into a prime (6601607927) 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, 526797 + ... + 539182.

It is an arithmetic number, because the mean of its divisors is an integer number (901819080).

Almost surely, 2^6601607947 is an apocalyptic number.

6601607947 is a deficient number, since it is larger than the sum of its proper divisors (612944693).

6601607947 is a wasteful number, since it uses less digits than its factorization.

6601607947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066553.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 6601607947 is about 81250.2796733648. The cubic root of 6601607947 is about 1875.9297738429.

The spelling of 6601607947 in words is "six billion, six hundred one million, six hundred seven thousand, nine hundred forty-seven".