47318091165 has 48 divisors (see below), whose sum is σ = 85725739008. Its totient is φ = 25037522496.

The previous prime is 47318091143. The next prime is 47318091167. The reversal of 47318091165 is 56119081374.

47318091165 is a `hidden beast` number, since 473 + 1 + 80 + 91 + 16 + 5 = 666.

It is not a de Polignac number, because 47318091165 - 2²⁷ = 47183873437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47318091165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47318091167) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 979 + ... + 307631.

It is an arithmetic number, because the mean of its divisors is an integer number (1785952896).

Almost surely, 2^47318091165 is an apocalyptic number.

47318091165 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47318091165 is a deficient number, since it is larger than the sum of its proper divisors (38407647843).

47318091165 is a wasteful number, since it uses less digits than its factorization.

47318091165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306800 (or 306788 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 47318091165 in words is "forty-seven billion, three hundred eighteen million, ninety-one thousand, one hundred sixty-five".