16066550 has 12 divisors (see below), whose sum is σ = 29883876. Its totient is φ = 6426600.

The previous prime is 16066549. The next prime is 16066553. The reversal of 16066550 is 5566061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16066553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160616 + ... + 160715.

It is an arithmetic number, because the mean of its divisors is an integer number (2490323).

Almost surely, 2^16066550 is an apocalyptic number.

16066550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16066550 is a deficient number, since it is larger than the sum of its proper divisors (13817326).

16066550 is a wasteful number, since it uses less digits than its factorization.

16066550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321343 (or 321338 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 16066550 is about 4008.3101177429. The cubic root of 16066550 is about 252.3330923221. Note that the first 3 decimals are identical.

It can be divided in two parts, 160 and 66550, that multiplied together give a cube (10648000 = 220³).

The spelling of 16066550 in words is "sixteen million, sixty-six thousand, five hundred fifty".