181069089 has 8 divisors (see below), whose sum is σ = 242143200. Its totient is φ = 120353856.

The previous prime is 181069081. The next prime is 181069129. The reversal of 181069089 is 980960181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 181069089 - 2³ = 181069081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 181069089.

It is not an unprimeable number, because it can be changed into a prime (181069081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88539 + ... + 90560.

It is an arithmetic number, because the mean of its divisors is an integer number (30267900).

Almost surely, 2^181069089 is an apocalyptic number.

It is an amenable number.

181069089 is a deficient number, since it is larger than the sum of its proper divisors (61074111).

181069089 is a wasteful number, since it uses less digits than its factorization.

181069089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179439.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 181069089 is about 13456.1914745592. The cubic root of 181069089 is about 565.7372462604.

The spelling of 181069089 in words is "one hundred eighty-one million, sixty-nine thousand, eighty-nine".