6642668301 has 8 divisors (see below), whose sum is σ = 8989083744. Its totient is φ = 4362349200.

The previous prime is 6642668297. The next prime is 6642668317. The reversal of 6642668301 is 1038662466.

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

It is not a de Polignac number, because 6642668301 - 2² = 6642668297 is a prime.

It is a super-2 number, since 2×6642668301² = 88250084314220453202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6642668321) 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, 16523850 + ... + 16524251.

It is an arithmetic number, because the mean of its divisors is an integer number (1123635468).

Almost surely, 2^6642668301 is an apocalyptic number.

It is an amenable number.

6642668301 is a deficient number, since it is larger than the sum of its proper divisors (2346415443).

6642668301 is a wasteful number, since it uses less digits than its factorization.

6642668301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33048171.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 6642668301 is about 81502.5662234018. The cubic root of 6642668301 is about 1879.8110098424.

The spelling of 6642668301 in words is "six billion, six hundred forty-two million, six hundred sixty-eight thousand, three hundred one".