47065566916 has 27 divisors (see below), whose sum is σ = 83664091119. Its totient is φ = 23167229448.

The previous prime is 47065566887. The next prime is 47065566923. The reversal of 47065566916 is 61966556074.

The square root of 47065566916 is 216946.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 29069955 + ... + 29071573.

Almost surely, 2^47065566916 is an apocalyptic number.

47065566916 is the 216946-th square number.

It is an amenable number.

47065566916 is a deficient number, since it is larger than the sum of its proper divisors (36598524203).

47065566916 is an frugal number, since it uses more digits than its factorization.

47065566916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376 (or 1688 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 47065566916 in words is "forty-seven billion, sixty-five million, five hundred sixty-six thousand, nine hundred sixteen".