16426545 has 16 divisors (see below), whose sum is σ = 27666240. Its totient is φ = 8299584.

The previous prime is 16426517. The next prime is 16426567. The reversal of 16426545 is 54562461.

It is not a de Polignac number, because 16426545 - 2⁵ = 16426513 is a prime.

It is a nialpdrome in base 16.

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 15 ways as a sum of consecutive naturals, for example, 28534 + ... + 29103.

It is an arithmetic number, because the mean of its divisors is an integer number (1729140).

Almost surely, 2^16426545 is an apocalyptic number.

16426545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16426545 is a deficient number, since it is larger than the sum of its proper divisors (11239695).

16426545 is a wasteful number, since it uses less digits than its factorization.

16426545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57664.

The product of its digits is 28800, while the sum is 33.

The square root of 16426545 is about 4052.9674314013. The cubic root of 16426545 is about 254.2038219742.

The spelling of 16426545 in words is "sixteen million, four hundred twenty-six thousand, five hundred forty-five".