66733373744 has 10 divisors (see below), whose sum is σ = 129295911660. Its totient is φ = 33366686864.

The previous prime is 66733373723. The next prime is 66733373753. The reversal of 66733373744 is 44737333766.

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 as a sum of consecutive naturals, namely, 2085417914 + ... + 2085417945.

It is an arithmetic number, because the mean of its divisors is an integer number (12929591166).

Almost surely, 2^66733373744 is an apocalyptic number.

It is an amenable number.

66733373744 is a deficient number, since it is larger than the sum of its proper divisors (62562537916).

66733373744 is a wasteful number, since it uses less digits than its factorization.

66733373744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4170835867 (or 4170835861 counting only the distinct ones).

The product of its digits is 16003008, while the sum is 53.

The spelling of 66733373744 in words is "sixty-six billion, seven hundred thirty-three million, three hundred seventy-three thousand, seven hundred forty-four".