180669164 has 24 divisors (see below), whose sum is σ = 340863600. Its totient is φ = 83294784.

The previous prime is 180669109. The next prime is 180669169. The reversal of 180669164 is 461966081.

180669164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (180669169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79427 + ... + 81669.

It is an arithmetic number, because the mean of its divisors is an integer number (14202650).

Almost surely, 2^180669164 is an apocalyptic number.

It is an amenable number.

180669164 is a deficient number, since it is larger than the sum of its proper divisors (160194436).

180669164 is a wasteful number, since it uses less digits than its factorization.

180669164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3809 (or 3807 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 180669164 is about 13441.3230003597. The cubic root of 180669164 is about 565.3204270087.

The spelling of 180669164 in words is "one hundred eighty million, six hundred sixty-nine thousand, one hundred sixty-four".