16069845 has 48 divisors (see below), whose sum is σ = 29884608. Its totient is φ = 7311360.

The previous prime is 16069841. The next prime is 16069849. The reversal of 16069845 is 54896061.

It is an interprime number because it is at equal distance from previous prime (16069841) and next prime (16069849).

It is not a de Polignac number, because 16069845 - 2² = 16069841 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16069841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47517 + ... + 47853.

It is an arithmetic number, because the mean of its divisors is an integer number (622596).

Almost surely, 2^16069845 is an apocalyptic number.

16069845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16069845 is a deficient number, since it is larger than the sum of its proper divisors (13814763).

16069845 is a wasteful number, since it uses less digits than its factorization.

16069845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 16069845 is about 4008.7211177631. The cubic root of 16069845 is about 252.3503410097.

The spelling of 16069845 in words is "sixteen million, sixty-nine thousand, eight hundred forty-five".