16182840 has 32 divisors (see below), whose sum is σ = 48548880. Its totient is φ = 4315392.

The previous prime is 16182839. The next prime is 16182847. The reversal of 16182840 is 4828161.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 16182798 and 16182807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16182847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67309 + ... + 67548.

Almost surely, 2^16182840 is an apocalyptic number.

16182840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16182840 is an abundant number, since it is smaller than the sum of its proper divisors (32366040).

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

16182840 is a wasteful number, since it uses less digits than its factorization.

16182840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134871 (or 134867 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 16182840 is about 4022.7900765513. The cubic root of 16182840 is about 252.9404266407.

The spelling of 16182840 in words is "sixteen million, one hundred eighty-two thousand, eight hundred forty".