2689229160 has 160 divisors (see below), whose sum is σ = 9350807400. Its totient is φ = 692375040.

The previous prime is 2689229119. The next prime is 2689229171. The reversal of 2689229160 is 619229862.

2689229160 is a `hidden beast` number, since 268 + 9 + 229 + 160 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1310295204 + 1378933956 = 36198^2 + 37134^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 79650 + ... + 108270.

Almost surely, 2^2689229160 is an apocalyptic number.

2689229160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2689229160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4675403700).

2689229160 is an abundant number, since it is smaller than the sum of its proper divisors (6661578240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2689229160 is a wasteful number, since it uses less digits than its factorization.

2689229160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28673 (or 28660 counting only the distinct ones).

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

The square root of 2689229160 is about 51857.7782015389. The cubic root of 2689229160 is about 1390.6225598308.

The spelling of 2689229160 in words is "two billion, six hundred eighty-nine million, two hundred twenty-nine thousand, one hundred sixty".