66733373733374 has 32 divisors (see below), whose sum is σ = 102175400793312. Its totient is φ = 32679651600000.

The previous prime is 66733373733319. The next prime is 66733373733379. The reversal of 66733373733374 is 47333737333766.

It is a self number, because there is not a number n which added to its sum of digits gives 66733373733374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66733373733379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108124784 + ... + 108740220.

It is an arithmetic number, because the mean of its divisors is an integer number (3192981274791).

Almost surely, 2^{66733373733374} is an apocalyptic number.

66733373733374 is a deficient number, since it is larger than the sum of its proper divisors (35442027059938).

66733373733374 is a wasteful number, since it uses less digits than its factorization.

66733373733374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619292.

The product of its digits is 756142128, while the sum is 65.

The spelling of 66733373733374 in words is "sixty-six trillion, seven hundred thirty-three billion, three hundred seventy-three million, seven hundred thirty-three thousand, three hundred seventy-four".