66083757671 has 16 divisors (see below), whose sum is σ = 73664316000. Its totient is φ = 58914505728.

The previous prime is 66083757667. The next prime is 66083757679. The reversal of 66083757671 is 17675738066.

It is a cyclic number.

It is not a de Polignac number, because 66083757671 - 2² = 66083757667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66083757679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3632105 + ... + 3650253.

It is an arithmetic number, because the mean of its divisors is an integer number (4604019750).

Almost surely, 2^66083757671 is an apocalyptic number.

66083757671 is a deficient number, since it is larger than the sum of its proper divisors (7580558329).

66083757671 is a wasteful number, since it uses less digits than its factorization.

66083757671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29458.

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 66083757671 in words is "sixty-six billion, eighty-three million, seven hundred fifty-seven thousand, six hundred seventy-one".