16845456 has 20 divisors (see below), whose sum is σ = 43517552. Its totient is φ = 5615136.

The previous prime is 16845403. The next prime is 16845461. The reversal of 16845456 is 65454861.

It is a happy number.

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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175426 + ... + 175521.

Almost surely, 2^16845456 is an apocalyptic number.

16845456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16845456 is an abundant number, since it is smaller than the sum of its proper divisors (26672096).

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

16845456 is a wasteful number, since it uses less digits than its factorization.

16845456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350958 (or 350952 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 16845456 is about 4104.3216248243. The cubic root of 16845456 is about 256.3466170666.

It can be divided in two parts, 1684 and 5456, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 16845456 in words is "sixteen million, eight hundred forty-five thousand, four hundred fifty-six".