2016149 has 8 divisors (see below), whose sum is σ = 2148120. Its totient is φ = 1885696.

The previous prime is 2016139. The next prime is 2016181. The reversal of 2016149 is 9416102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 552049 + 1464100 = 743^2 + 1210^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2016149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3707 + ... + 4215.

It is an arithmetic number, because the mean of its divisors is an integer number (268515).

2^2016149 is an apocalyptic number.

It is an amenable number.

2016149 is a deficient number, since it is larger than the sum of its proper divisors (131971).

2016149 is a wasteful number, since it uses less digits than its factorization.

2016149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2016149 is about 1419.9116169678. The cubic root of 2016149 is about 126.3303041039.

The spelling of 2016149 in words is "two million, sixteen thousand, one hundred forty-nine".