66241734087 has 16 divisors (see below), whose sum is σ = 89780503680. Its totient is φ = 43432226400.

The previous prime is 66241734073. The next prime is 66241734107. The reversal of 66241734087 is 78043714266.

It is a happy number.

It is not a de Polignac number, because 66241734087 - 2⁷ = 66241733959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66241734287) 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 15 ways as a sum of consecutive naturals, for example, 2271364 + ... + 2300342.

It is an arithmetic number, because the mean of its divisors is an integer number (5611281480).

Almost surely, 2^66241734087 is an apocalyptic number.

66241734087 is a deficient number, since it is larger than the sum of its proper divisors (23538769593).

66241734087 is a wasteful number, since it uses less digits than its factorization.

66241734087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41534.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 66241734087 in words is "sixty-six billion, two hundred forty-one million, seven hundred thirty-four thousand, eighty-seven".