47966166 has 48 divisors (see below), whose sum is σ = 106951104. Its totient is φ = 15530112.

The previous prime is 47966147. The next prime is 47966167. The reversal of 47966166 is 66166974.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47966167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130515 + ... + 130881.

It is an arithmetic number, because the mean of its divisors is an integer number (2228148).

Almost surely, 2^47966166 is an apocalyptic number.

47966166 is an abundant number, since it is smaller than the sum of its proper divisors (58984938).

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

47966166 is a wasteful number, since it uses less digits than its factorization.

47966166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565 (or 562 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 47966166 is about 6925.7610412142. The cubic root of 47966166 is about 363.3387089704.

The spelling of 47966166 in words is "forty-seven million, nine hundred sixty-six thousand, one hundred sixty-six".