16885545 has 16 divisors (see below), whose sum is σ = 27889152. Its totient is φ = 8714880.

The previous prime is 16885513. The next prime is 16885559. The reversal of 16885545 is 54558861.

It is not a de Polignac number, because 16885545 - 2⁵ = 16885513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16885497 and 16885506.

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, 17692 + ... + 18621.

It is an arithmetic number, because the mean of its divisors is an integer number (1743072).

Almost surely, 2^16885545 is an apocalyptic number.

16885545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16885545 is a deficient number, since it is larger than the sum of its proper divisors (11003607).

16885545 is a wasteful number, since it uses less digits than its factorization.

16885545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36352.

The product of its digits is 192000, while the sum is 42.

The square root of 16885545 is about 4109.2024773671. The cubic root of 16885545 is about 256.5498081251.

The spelling of 16885545 in words is "sixteen million, eight hundred eighty-five thousand, five hundred forty-five".