47909316166 has 4 divisors (see below), whose sum is σ = 71863974252. Its totient is φ = 23954658082.

The previous prime is 47909316157. The next prime is 47909316167. The reversal of 47909316166 is 66161390974.

47909316166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47909316167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11977329040 + ... + 11977329043.

It is an arithmetic number, because the mean of its divisors is an integer number (17965993563).

Almost surely, 2^47909316166 is an apocalyptic number.

47909316166 is a deficient number, since it is larger than the sum of its proper divisors (23954658086).

47909316166 is a wasteful number, since it uses less digits than its factorization.

47909316166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23954658085.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 47909316166 in words is "forty-seven billion, nine hundred nine million, three hundred sixteen thousand, one hundred sixty-six".