180822165 has 16 divisors (see below), whose sum is σ = 292126848. Its totient is φ = 95501376.

The previous prime is 180822151. The next prime is 180822193. The reversal of 180822165 is 561228081.

It is not a de Polignac number, because 180822165 - 2⁵ = 180822133 is a prime.

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, 56974 + ... + 60063.

It is an arithmetic number, because the mean of its divisors is an integer number (18257928).

Almost surely, 2^180822165 is an apocalyptic number.

180822165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

180822165 is a deficient number, since it is larger than the sum of its proper divisors (111304683).

180822165 is a wasteful number, since it uses less digits than its factorization.

180822165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117148.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 180822165 is about 13447.0132371468. The cubic root of 180822165 is about 565.4799638919.

The spelling of 180822165 in words is "one hundred eighty million, eight hundred twenty-two thousand, one hundred sixty-five".