16066545 has 16 divisors (see below), whose sum is σ = 28043712. Its totient is φ = 7789760.

The previous prime is 16066543. The next prime is 16066549. The reversal of 16066545 is 54566061.

It is not a de Polignac number, because 16066545 - 2¹ = 16066543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (16066541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48522 + ... + 48851.

It is an arithmetic number, because the mean of its divisors is an integer number (1752732).

Almost surely, 2^16066545 is an apocalyptic number.

16066545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16066545 is a deficient number, since it is larger than the sum of its proper divisors (11977167).

16066545 is a wasteful number, since it uses less digits than its factorization.

16066545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97392.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 16066545 is about 4008.3094940386. The cubic root of 16066545 is about 252.3330661463. Note that the first 3 decimals are identical.

The spelling of 16066545 in words is "sixteen million, sixty-six thousand, five hundred forty-five".