6601225641 has 8 divisors (see below), whose sum is σ = 8808967584. Its totient is φ = 4397150400.

The previous prime is 6601225633. The next prime is 6601225661. The reversal of 6601225641 is 1465221066.

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

It is not a de Polignac number, because 6601225641 - 2³ = 6601225633 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6601225661) 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, 912471 + ... + 919676.

It is an arithmetic number, because the mean of its divisors is an integer number (1101120948).

Almost surely, 2^6601225641 is an apocalyptic number.

It is an amenable number.

6601225641 is a deficient number, since it is larger than the sum of its proper divisors (2207741943).

6601225641 is a wasteful number, since it uses less digits than its factorization.

6601225641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833351.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 6601225641 is about 81247.9269950932. The cubic root of 6601225641 is about 1875.8935607941.

The spelling of 6601225641 in words is "six billion, six hundred one million, two hundred twenty-five thousand, six hundred forty-one".