1466556666047 has 8 divisors (see below), whose sum is σ = 1599913921872. Its totient is φ = 1333205064000.

The previous prime is 1466556666041. The next prime is 1466556666079. The reversal of 1466556666047 is 7406666556641.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1466556666047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1466556666041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861704 + ... + 1917197.

It is an arithmetic number, because the mean of its divisors is an integer number (199989240234).

Almost surely, 2^{1466556666047} is an apocalyptic number.

1466556666047 is a deficient number, since it is larger than the sum of its proper divisors (133357255825).

1466556666047 is a wasteful number, since it uses less digits than its factorization.

1466556666047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2826889.

The product of its (nonzero) digits is 130636800, while the sum is 62.

The spelling of 1466556666047 in words is "one trillion, four hundred sixty-six billion, five hundred fifty-six million, six hundred sixty-six thousand, forty-seven".