16445136 has 20 divisors (see below), whose sum is σ = 42483392. Its totient is φ = 5481696.

The previous prime is 16445119. The next prime is 16445167. The reversal of 16445136 is 63154461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171256 + ... + 171351.

Almost surely, 2^16445136 is an apocalyptic number.

16445136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16445136 is an abundant number, since it is smaller than the sum of its proper divisors (26038256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16445136 is a wasteful number, since it uses less digits than its factorization.

16445136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342618 (or 342612 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 16445136 is about 4055.2602875771. The cubic root of 16445136 is about 254.2996855394.

Adding to 16445136 its reverse (63154461), we get a palindrome (79599597).

The spelling of 16445136 in words is "sixteen million, four hundred forty-five thousand, one hundred thirty-six".