16545156 has 12 divisors (see below), whose sum is σ = 38605392. Its totient is φ = 5515048.

The previous prime is 16545107. The next prime is 16545173. The reversal of 16545156 is 65154561.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 689370 + ... + 689393.

It is an arithmetic number, because the mean of its divisors is an integer number (3217116).

Almost surely, 2^16545156 is an apocalyptic number.

It is an amenable number.

16545156 is an abundant number, since it is smaller than the sum of its proper divisors (22060236).

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

16545156 is a wasteful number, since it uses less digits than its factorization.

16545156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378770 (or 1378768 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

The square root of 16545156 is about 4067.5737239785. The cubic root of 16545156 is about 254.8141975993.

The spelling of 16545156 in words is "sixteen million, five hundred forty-five thousand, one hundred fifty-six".