66324433421154 has 16 divisors (see below), whose sum is σ = 133127743621248. Its totient is φ = 22028331677232.

The previous prime is 66324433421137. The next prime is 66324433421177. The reversal of 66324433421154 is 45112433442366.

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, 19953197322 + ... + 19953200645.

It is an arithmetic number, because the mean of its divisors is an integer number (8320483976328).

Almost surely, 2^{66324433421154} is an apocalyptic number.

66324433421154 is an abundant number, since it is smaller than the sum of its proper divisors (66803310200094).

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

66324433421154 is a wasteful number, since it uses less digits than its factorization.

66324433421154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39906398249.

The product of its digits is 4976640, while the sum is 48.

The spelling of 66324433421154 in words is "sixty-six trillion, three hundred twenty-four billion, four hundred thirty-three million, four hundred twenty-one thousand, one hundred fifty-four".