6661702058 has 32 divisors (see below), whose sum is σ = 11215955520. Its totient is φ = 2941200000.

The previous prime is 6661702051. The next prime is 6661702067. The reversal of 6661702058 is 8502071666.

It is a super-2 number, since 2×6661702058² = 88756548619122870728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (6661702051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190433 + ... + 222683.

It is an arithmetic number, because the mean of its divisors is an integer number (350498610).

Almost surely, 2^6661702058 is an apocalyptic number.

6661702058 is a deficient number, since it is larger than the sum of its proper divisors (4554253462).

6661702058 is a wasteful number, since it uses less digits than its factorization.

6661702058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32534.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 6661702058 is about 81619.2505356426. The cubic root of 6661702058 is about 1881.6047541814.

The spelling of 6661702058 in words is "six billion, six hundred sixty-one million, seven hundred two thousand, fifty-eight".