47166636 has 48 divisors (see below), whose sum is σ = 127128960. Its totient is φ = 13451520.

The previous prime is 47166611. The next prime is 47166641. The reversal of 47166636 is 63666174.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 47166594 and 47166603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8266 + ... + 12753.

It is an arithmetic number, because the mean of its divisors is an integer number (2648520).

Almost surely, 2^47166636 is an apocalyptic number.

It is an amenable number.

47166636 is an abundant number, since it is smaller than the sum of its proper divisors (79962324).

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

47166636 is a wasteful number, since it uses less digits than its factorization.

47166636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21054 (or 21052 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 47166636 is about 6867.7970267037. The cubic root of 47166636 is about 361.3086016608.

The spelling of 47166636 in words is "forty-seven million, one hundred sixty-six thousand, six hundred thirty-six".