5446066142666 has 8 divisors (see below), whose sum is σ = 8170667495940. Its totient is φ = 2722510310688.

The previous prime is 5446066142663. The next prime is 5446066142683. The reversal of 5446066142666 is 6662416606445.

It can be written as a sum of positive squares in 2 ways, for example, as 4147311885025 + 1298754257641 = 2036495^2 + 1139629^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5446066142663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261367301 + ... + 261388136.

Almost surely, 2^{5446066142666} is an apocalyptic number.

5446066142666 is a deficient number, since it is larger than the sum of its proper divisors (2724601353274).

5446066142666 is a wasteful number, since it uses less digits than its factorization.

5446066142666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522760648.

The product of its (nonzero) digits is 29859840, while the sum is 56.

The spelling of 5446066142666 in words is "five trillion, four hundred forty-six billion, sixty-six million, one hundred forty-two thousand, six hundred sixty-six".