66474233012 has 48 divisors (see below), whose sum is σ = 132456038400. Its totient is φ = 28894625760.

The previous prime is 66474232997. The next prime is 66474233027. The reversal of 66474233012 is 21033247466.

It is an interprime number because it is at equal distance from previous prime (66474232997) and next prime (66474233027).

It is a congruent number.

It is an unprimeable number.

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, 7037789 + ... + 7047227.

It is an arithmetic number, because the mean of its divisors is an integer number (2759500800).

Almost surely, 2^66474233012 is an apocalyptic number.

It is an amenable number.

66474233012 is a deficient number, since it is larger than the sum of its proper divisors (65981805388).

66474233012 is a wasteful number, since it uses less digits than its factorization.

66474233012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16436 (or 16434 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 66474233012 in words is "sixty-six billion, four hundred seventy-four million, two hundred thirty-three thousand, twelve".