47161916 has 12 divisors (see below), whose sum is σ = 82829040. Its totient is φ = 23496480.

The previous prime is 47161897. The next prime is 47161921. The reversal of 47161916 is 61916174.

It is a super-3 number, since 3×47161916³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

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, 19856 + ... + 22103.

It is an arithmetic number, because the mean of its divisors is an integer number (6902420).

Almost surely, 2^47161916 is an apocalyptic number.

It is an amenable number.

47161916 is a deficient number, since it is larger than the sum of its proper divisors (35667124).

47161916 is a wasteful number, since it uses less digits than its factorization.

47161916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42244 (or 42242 counting only the distinct ones).

The product of its digits is 9072, while the sum is 35.

The square root of 47161916 is about 6867.4533853533. The cubic root of 47161916 is about 361.2965491195.

The spelling of 47161916 in words is "forty-seven million, one hundred sixty-one thousand, nine hundred sixteen".