180669085 has 16 divisors (see below), whose sum is σ = 226962432. Its totient is φ = 137894400.

The previous prime is 180669079. The next prime is 180669091. The reversal of 180669085 is 580966081.

180669085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (180669079) and next prime (180669091).

It is not a de Polignac number, because 180669085 - 2⁵ = 180669053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2797 + ... + 19213.

It is an arithmetic number, because the mean of its divisors is an integer number (14185152).

Almost surely, 2^180669085 is an apocalyptic number.

It is an amenable number.

180669085 is a deficient number, since it is larger than the sum of its proper divisors (46293347).

180669085 is a wasteful number, since it uses less digits than its factorization.

180669085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16524.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 180669085 is about 13441.3200616606. The cubic root of 180669085 is about 565.3203446107.

The spelling of 180669085 in words is "one hundred eighty million, six hundred sixty-nine thousand, eighty-five".