47215159164 has 18 divisors (see below), whose sum is σ = 119349430200. Its totient is φ = 15738386376.

The previous prime is 47215159157. The next prime is 47215159169. The reversal of 47215159164 is 46195151274.

47215159164 is a `hidden beast` number, since 4 + 7 + 2 + 1 + 51 + 591 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47215159169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 655766064 + ... + 655766135.

It is an arithmetic number, because the mean of its divisors is an integer number (6630523900).

Almost surely, 2^47215159164 is an apocalyptic number.

It is an amenable number.

47215159164 is an abundant number, since it is smaller than the sum of its proper divisors (72134271036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47215159164 is a wasteful number, since it uses less digits than its factorization.

47215159164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311532209 (or 1311532204 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The spelling of 47215159164 in words is "forty-seven billion, two hundred fifteen million, one hundred fifty-nine thousand, one hundred sixty-four".