16953805 has 16 divisors (see below), whose sum is σ = 22320000. Its totient is φ = 12260160.

The previous prime is 16953803. The next prime is 16953817. The reversal of 16953805 is 50835961.

It is not a de Polignac number, because 16953805 - 2¹ = 16953803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16953803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10171 + ... + 11719.

It is an arithmetic number, because the mean of its divisors is an integer number (1395000).

Almost surely, 2^16953805 is an apocalyptic number.

It is an amenable number.

16953805 is a deficient number, since it is larger than the sum of its proper divisors (5366195).

16953805 is a wasteful number, since it uses less digits than its factorization.

16953805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 16953805 is about 4117.4998482089. The cubic root of 16953805 is about 256.8950451341.

The spelling of 16953805 in words is "sixteen million, nine hundred fifty-three thousand, eight hundred five".