66531334354 has 8 divisors (see below), whose sum is σ = 99850632588. Its totient is φ = 33247790160.

The previous prime is 66531334343. The next prime is 66531334361. The reversal of 66531334354 is 45343313566.

It can be written as a sum of positive squares in 2 ways, for example, as 57684991329 + 8846343025 = 240177^2 + 94055^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 66531334354.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8933857 + ... + 8941300.

Almost surely, 2^66531334354 is an apocalyptic number.

66531334354 is a deficient number, since it is larger than the sum of its proper divisors (33319298234).

66531334354 is a wasteful number, since it uses less digits than its factorization.

66531334354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17877020.

The product of its digits is 1166400, while the sum is 43.

The spelling of 66531334354 in words is "sixty-six billion, five hundred thirty-one million, three hundred thirty-four thousand, three hundred fifty-four".