160289649 has 24 divisors (see below), whose sum is σ = 254053800. Its totient is φ = 96774912.

The previous prime is 160289627. The next prime is 160289653. The reversal of 160289649 is 946982061.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 90000 + 160199649 = 300^2 + 12657^2 .

It is not a de Polignac number, because 160289649 - 2¹⁵ = 160256881 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (160289659) 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, 6724 + ... + 19125.

It is an arithmetic number, because the mean of its divisors is an integer number (10585575).

Almost surely, 2^160289649 is an apocalyptic number.

It is an amenable number.

160289649 is a deficient number, since it is larger than the sum of its proper divisors (93764151).

160289649 is a wasteful number, since it uses less digits than its factorization.

160289649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25921 (or 25918 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 160289649 is about 12660.5548456614. The cubic root of 160289649 is about 543.2109209801.

It can be divided in two parts, 1602896 and 49, that added together give a triangular number (1602945 = T₁₇₉₀).

The spelling of 160289649 in words is "one hundred sixty million, two hundred eighty-nine thousand, six hundred forty-nine".