16575940 has 12 divisors (see below), whose sum is σ = 34809516. Its totient is φ = 6630368.

The previous prime is 16575929. The next prime is 16575943. The reversal of 16575940 is 4957561.

It can be written as a sum of positive squares in 2 ways, for example, as 1937664 + 14638276 = 1392^2 + 3826^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16575940.

It is not an unprimeable number, because it can be changed into a prime (16575943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414379 + ... + 414418.

It is an arithmetic number, because the mean of its divisors is an integer number (2900793).

Almost surely, 2^16575940 is an apocalyptic number.

16575940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16575940 is an abundant number, since it is smaller than the sum of its proper divisors (18233576).

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

16575940 is a wasteful number, since it uses less digits than its factorization.

16575940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828806 (or 828804 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 16575940 is about 4071.3560394542. The cubic root of 16575940 is about 254.9721358763.

The spelling of 16575940 in words is "sixteen million, five hundred seventy-five thousand, nine hundred forty".