27066666446 has 8 divisors (see below), whose sum is σ = 40601405064. Its totient is φ = 13532864760.

The previous prime is 27066666439. The next prime is 27066666461. The reversal of 27066666446 is 64466666072.

It is a happy number.

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

It is a congruent number.

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, 156905 + ... + 280628.

It is an arithmetic number, because the mean of its divisors is an integer number (5075175633).

Almost surely, 2^27066666446 is an apocalyptic number.

27066666446 is a deficient number, since it is larger than the sum of its proper divisors (13534738618).

27066666446 is a wasteful number, since it uses less digits than its factorization.

27066666446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468466.

The product of its (nonzero) digits is 10450944, while the sum is 53.

The spelling of 27066666446 in words is "twenty-seven billion, sixty-six million, six hundred sixty-six thousand, four hundred forty-six".