16771149 has 6 divisors (see below), whose sum is σ = 24225006. Its totient is φ = 11180760.

The previous prime is 16771141. The next prime is 16771159. The reversal of 16771149 is 94117761.

It can be written as a sum of positive squares in only one way, i.e., 13638249 + 3132900 = 3693^2 + 1770^2 .

It is not a de Polignac number, because 16771149 - 2³ = 16771141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16771141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 931722 + ... + 931739.

It is an arithmetic number, because the mean of its divisors is an integer number (4037501).

Almost surely, 2^16771149 is an apocalyptic number.

It is an amenable number.

16771149 is a deficient number, since it is larger than the sum of its proper divisors (7453857).

16771149 is a wasteful number, since it uses less digits than its factorization.

16771149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863467 (or 1863464 counting only the distinct ones).

The product of its digits is 10584, while the sum is 36.

The square root of 16771149 is about 4095.2593324477. The cubic root of 16771149 is about 255.9691379218.

The spelling of 16771149 in words is "sixteen million, seven hundred seventy-one thousand, one hundred forty-nine".