66248463374 has 16 divisors (see below), whose sum is σ = 99768382560. Its totient is φ = 32992381440.

The previous prime is 66248463367. The next prime is 66248463383. The reversal of 66248463374 is 47336484266.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5405894 + ... + 5418134.

It is an arithmetic number, because the mean of its divisors is an integer number (6235523910).

Almost surely, 2^66248463374 is an apocalyptic number.

66248463374 is a deficient number, since it is larger than the sum of its proper divisors (33519919186).

66248463374 is a wasteful number, since it uses less digits than its factorization.

66248463374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22795.

The product of its digits is 13934592, while the sum is 53.

The spelling of 66248463374 in words is "sixty-six billion, two hundred forty-eight million, four hundred sixty-three thousand, three hundred seventy-four".