1616049 has 24 divisors (see below), whose sum is σ = 2513472. Its totient is φ = 997920.

The previous prime is 1616047. The next prime is 1616057. The reversal of 1616049 is 9406161.

1616049 is a `hidden beast` number, since 1 + 616 + 0 + 49 = 666.

It is not a de Polignac number, because 1616049 - 2¹ = 1616047 is a prime.

It is a super-2 number, since 2×1616049² = 5223228740802, which contains 22 as substring.

1616049 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1616047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7554 + ... + 7764.

It is an arithmetic number, because the mean of its divisors is an integer number (104728).

2^1616049 is an apocalyptic number.

It is an amenable number.

1616049 is a deficient number, since it is larger than the sum of its proper divisors (897423).

1616049 is a wasteful number, since it uses less digits than its factorization.

1616049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 274 counting only the distinct ones).

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

The square root of 1616049 is about 1271.2391592458. The cubic root of 1616049 is about 117.3504722367.

It can be divided in two parts, 161604 and 9, that multiplied together give a square (1454436 = 1206²).

The spelling of 1616049 in words is "one million, six hundred sixteen thousand, forty-nine".