47165216 has 48 divisors (see below), whose sum is σ = 106686720. Its totient is φ = 20106240.

The previous prime is 47165213. The next prime is 47165221. The reversal of 47165216 is 61256174.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (47165213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53096 + ... + 53976.

It is an arithmetic number, because the mean of its divisors is an integer number (2222640).

Almost surely, 2^47165216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47165216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53343360).

47165216 is an abundant number, since it is smaller than the sum of its proper divisors (59521504).

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

47165216 is a wasteful number, since it uses less digits than its factorization.

47165216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1129 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 47165216 is about 6867.6936448855. The cubic root of 47165216 is about 361.3049757690.

The spelling of 47165216 in words is "forty-seven million, one hundred sixty-five thousand, two hundred sixteen".