16853040 has 120 divisors (see below), whose sum is σ = 57451680. Its totient is φ = 4426752.

The previous prime is 16853021. The next prime is 16853063. The reversal of 16853040 is 4035861.

It is a tau number, because it is divible by the number of its divisors (120).

It is a junction number, because it is equal to n+sod(n) for n = 16852995 and 16853013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63949 + ... + 64211.

It is an arithmetic number, because the mean of its divisors is an integer number (478764).

Almost surely, 2^16853040 is an apocalyptic number.

16853040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16853040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28725840).

16853040 is an abundant number, since it is smaller than the sum of its proper divisors (40598640).

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

16853040 is a wasteful number, since it uses less digits than its factorization.

16853040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 16853040 is about 4105.2454250629. The cubic root of 16853040 is about 256.3850812685.

The spelling of 16853040 in words is "sixteen million, eight hundred fifty-three thousand, forty".