16545120 has 48 divisors (see below), whose sum is σ = 52118640. Its totient is φ = 4411904.

The previous prime is 16545107. The next prime is 16545173. The reversal of 16545120 is 2154561.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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, 16755 + ... + 17714.

It is an arithmetic number, because the mean of its divisors is an integer number (1085805).

Almost surely, 2^16545120 is an apocalyptic number.

16545120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16545120 is an abundant number, since it is smaller than the sum of its proper divisors (35573520).

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

16545120 is a wasteful number, since it uses less digits than its factorization.

16545120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34487 (or 34479 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 16545120 is about 4067.5692987336. The cubic root of 16545120 is about 254.8140127855.

Adding to 16545120 its reverse (2154561), we get a palindrome (18699681).

The spelling of 16545120 in words is "sixteen million, five hundred forty-five thousand, one hundred twenty".