47664212164 has 12 divisors (see below), whose sum is σ = 83678866684. Its totient is φ = 23755964544.

The previous prime is 47664212143. The next prime is 47664212191. The reversal of 47664212164 is 46121246674.

It can be written as a sum of positive squares in 2 ways, for example, as 12323220100 + 35340992064 = 111010^2 + 187992^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 47664212164.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19033977 + ... + 19036480.

Almost surely, 2^47664212164 is an apocalyptic number.

It is an amenable number.

47664212164 is a deficient number, since it is larger than the sum of its proper divisors (36014654520).

47664212164 is a wasteful number, since it uses less digits than its factorization.

47664212164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38070774 (or 38070772 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The spelling of 47664212164 in words is "forty-seven billion, six hundred sixty-four million, two hundred twelve thousand, one hundred sixty-four".