47664165 has 16 divisors (see below), whose sum is σ = 79579008. Its totient is φ = 24315456.

The previous prime is 47664163. The next prime is 47664187. The reversal of 47664165 is 56146674.

47664165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47664165 - 2¹ = 47664163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47664163) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 68734 + ... + 69423.

It is an arithmetic number, because the mean of its divisors is an integer number (4973688).

Almost surely, 2^47664165 is an apocalyptic number.

It is an amenable number.

47664165 is a deficient number, since it is larger than the sum of its proper divisors (31914843).

47664165 is a wasteful number, since it uses less digits than its factorization.

47664165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138188.

The product of its digits is 120960, while the sum is 39.

The square root of 47664165 is about 6903.9238842849. The cubic root of 47664165 is about 362.5745609609.

The spelling of 47664165 in words is "forty-seven million, six hundred sixty-four thousand, one hundred sixty-five".