66675510754 has 8 divisors (see below), whose sum is σ = 100014948288. Its totient is φ = 33337194660.

The previous prime is 66675510749. The next prime is 66675510757. The reversal of 66675510754 is 45701557666.

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

It is not an unprimeable number, because it can be changed into a prime (66675510757) 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 3 ways as a sum of consecutive naturals, for example, 111342 + ... + 381769.

It is an arithmetic number, because the mean of its divisors is an integer number (12501868536).

Almost surely, 2^66675510754 is an apocalyptic number.

66675510754 is a deficient number, since it is larger than the sum of its proper divisors (33339437534).

66675510754 is a wasteful number, since it uses less digits than its factorization.

66675510754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560720.

The product of its (nonzero) digits is 5292000, while the sum is 52.

The spelling of 66675510754 in words is "sixty-six billion, six hundred seventy-five million, five hundred ten thousand, seven hundred fifty-four".