49166 has 16 divisors (see below), whose sum is σ = 83328. Its totient is φ = 21600.

The previous prime is 49157. The next prime is 49169. The reversal of 49166 is 66194.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49169) by changing a digit.

49166 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776 + ... + 836.

It is an arithmetic number, because the mean of its divisors is an integer number (5208).

2⁴⁹¹⁶⁶ is an apocalyptic number.

49166 is a deficient number, since it is larger than the sum of its proper divisors (34162).

49166 is a wasteful number, since it uses less digits than its factorization.

49166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107.

The product of its digits is 1296, while the sum is 26.

The square root of 49166 is about 221.7340749637. The cubic root of 49166 is about 36.6343332960.

49166 divided by its sum of digits (26) gives a triangular number (1891 = T₆₁).

The spelling of 49166 in words is "forty-nine thousand, one hundred sixty-six".