66124404762 has 16 divisors (see below), whose sum is σ = 142421795040. Its totient is φ = 20345970672.

The previous prime is 66124404761. The next prime is 66124404779. The reversal of 66124404762 is 26740442166.

It is not an unprimeable number, because it can be changed into a prime (66124404761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423874312 + ... + 423874467.

It is an arithmetic number, because the mean of its divisors is an integer number (8901362190).

Almost surely, 2^66124404762 is an apocalyptic number.

66124404762 is an abundant number, since it is smaller than the sum of its proper divisors (76297390278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66124404762 is a wasteful number, since it uses less digits than its factorization.

66124404762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847748797.

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 66124404762 in words is "sixty-six billion, one hundred twenty-four million, four hundred four thousand, seven hundred sixty-two".