66186486741 has 8 divisors (see below), whose sum is σ = 88840922400. Its totient is φ = 43828187792.

The previous prime is 66186486739. The next prime is 66186486811. The reversal of 66186486741 is 14768468166.

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

It is a cyclic number.

It is not a de Polignac number, because 66186486741 - 2¹ = 66186486739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66186486701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74033655 + ... + 74034548.

It is an arithmetic number, because the mean of its divisors is an integer number (11105115300).

Almost surely, 2^66186486741 is an apocalyptic number.

It is an amenable number.

66186486741 is a deficient number, since it is larger than the sum of its proper divisors (22654435659).

66186486741 is a wasteful number, since it uses less digits than its factorization.

66186486741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148068355.

The product of its digits is 9289728, while the sum is 57.

The spelling of 66186486741 in words is "sixty-six billion, one hundred eighty-six million, four hundred eighty-six thousand, seven hundred forty-one".