6642052364 has 6 divisors (see below), whose sum is σ = 11623591644. Its totient is φ = 3321026180.

The previous prime is 6642052327. The next prime is 6642052369. The reversal of 6642052364 is 4632502466.

It is a super-2 number, since 2×6642052364² = 88233719212235976992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6642052369) by changing a digit.

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 as a sum of consecutive naturals, namely, 830256542 + ... + 830256549.

It is an arithmetic number, because the mean of its divisors is an integer number (1937265274).

Almost surely, 2^6642052364 is an apocalyptic number.

It is an amenable number.

6642052364 is a deficient number, since it is larger than the sum of its proper divisors (4981539280).

6642052364 is a wasteful number, since it uses less digits than its factorization.

6642052364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660513095 (or 1660513093 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The square root of 6642052364 is about 81498.7875001831. The cubic root of 6642052364 is about 1879.7529066380.

The spelling of 6642052364 in words is "six billion, six hundred forty-two million, fifty-two thousand, three hundred sixty-four".