49901166 has 24 divisors (see below), whose sum is σ = 123565104. Its totient is φ = 14257440.

The previous prime is 49901149. The next prime is 49901167. The reversal of 49901166 is 66110994.

49901166 is a `hidden beast` number, since 499 + 0 + 1 + 166 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 49901166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49901167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197895 + ... + 198146.

It is an arithmetic number, because the mean of its divisors is an integer number (5148546).

Almost surely, 2^49901166 is an apocalyptic number.

49901166 is an abundant number, since it is smaller than the sum of its proper divisors (73663938).

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

49901166 is a wasteful number, since it uses less digits than its factorization.

49901166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396056 (or 396053 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 49901166 is about 7064.0757357208. The cubic root of 49901166 is about 368.1602513700.

The spelling of 49901166 in words is "forty-nine million, nine hundred one thousand, one hundred sixty-six".