6642062018 has 8 divisors (see below), whose sum is σ = 10111796112. Its totient is φ = 3271463316.

The previous prime is 6642061981. The next prime is 6642062051. The reversal of 6642062018 is 8102602466.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24783680 + ... + 24783947.

It is an arithmetic number, because the mean of its divisors is an integer number (1263974514).

Almost surely, 2^6642062018 is an apocalyptic number.

6642062018 is a deficient number, since it is larger than the sum of its proper divisors (3469734094).

6642062018 is a wasteful number, since it uses less digits than its factorization.

6642062018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49567696.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 6642062018 is about 81498.8467280366. The cubic root of 6642062018 is about 1879.7538173568.

The spelling of 6642062018 in words is "six billion, six hundred forty-two million, sixty-two thousand, eighteen".