18960165 has 48 divisors (see below), whose sum is σ = 39207168. Its totient is φ = 8287488.

The previous prime is 18960143. The next prime is 18960199. The reversal of 18960165 is 56106981.

It is not a de Polignac number, because 18960165 - 2⁵ = 18960133 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5937 + ... + 8553.

It is an arithmetic number, because the mean of its divisors is an integer number (816816).

Almost surely, 2^18960165 is an apocalyptic number.

18960165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18960165 is an abundant number, since it is smaller than the sum of its proper divisors (20247003).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18960165 is a wasteful number, since it uses less digits than its factorization.

18960165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658 (or 2655 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 18960165 is about 4354.3271581267. The cubic root of 18960165 is about 266.6535505702.

The spelling of 18960165 in words is "eighteen million, nine hundred sixty thousand, one hundred sixty-five".