47388412166 has 4 divisors (see below), whose sum is σ = 71082618252. Its totient is φ = 23694206082.

The previous prime is 47388412153. The next prime is 47388412177. The reversal of 47388412166 is 66121488374.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66121488374 = 2 ⋅33060744187.

It is a super-2 number, since 2×47388412166² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11847103040 + ... + 11847103043.

It is an arithmetic number, because the mean of its divisors is an integer number (17770654563).

Almost surely, 2^47388412166 is an apocalyptic number.

47388412166 is a deficient number, since it is larger than the sum of its proper divisors (23694206086).

47388412166 is a wasteful number, since it uses less digits than its factorization.

47388412166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23694206085.

The product of its digits is 1548288, while the sum is 50.

The spelling of 47388412166 in words is "forty-seven billion, three hundred eighty-eight million, four hundred twelve thousand, one hundred sixty-six".