616149 has 12 divisors (see below), whose sum is σ = 896896. Its totient is φ = 407592.

The previous prime is 616141. The next prime is 616153. The reversal of 616149 is 941616.

616149 is a `hidden beast` number, since 616 + 1 + 49 = 666.

It is not a de Polignac number, because 616149 - 2³ = 616141 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1854 + ... + 2160.

2⁶¹⁶¹⁴⁹ is an apocalyptic number.

It is an amenable number.

616149 is a deficient number, since it is larger than the sum of its proper divisors (280747).

616149 is a wasteful number, since it uses less digits than its factorization.

616149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 533 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 616149 is about 784.9515908640. The cubic root of 616149 is about 85.0932770718.

The spelling of 616149 in words is "six hundred sixteen thousand, one hundred forty-nine".