1689181153 has 16 divisors (see below), whose sum is σ = 1885077504. Its totient is φ = 1500705360.

The previous prime is 1689181147. The next prime is 1689181171. The reversal of 1689181153 is 3511819861.

It is not a de Polignac number, because 1689181153 - 2¹⁷ = 1689050081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1689181253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84576 + ... + 102622.

It is an arithmetic number, because the mean of its divisors is an integer number (117817344).

Almost surely, 2^1689181153 is an apocalyptic number.

It is an amenable number.

1689181153 is a deficient number, since it is larger than the sum of its proper divisors (195896351).

1689181153 is a wasteful number, since it uses less digits than its factorization.

1689181153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18252.

The product of its digits is 51840, while the sum is 43.

The square root of 1689181153 is about 41099.6490617621. The cubic root of 1689181153 is about 1190.9460153942.

It can be divided in two parts, 168918 and 1153, that added together give a palindrome (170071).

The spelling of 1689181153 in words is "one billion, six hundred eighty-nine million, one hundred eighty-one thousand, one hundred fifty-three".