16168745 has 8 divisors (see below), whose sum is σ = 19434120. Its totient is φ = 12913920.

The previous prime is 16168727. The next prime is 16168771. The reversal of 16168745 is 54786161.

It can be written as a sum of positive squares in 4 ways, for example, as 16384 + 16152361 = 128^2 + 4019^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16168745 - 2⁶ = 16168681 is a prime.

It is a super-2 number, since 2×16168745² = 522856629750050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16168699 and 16168708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1265 + ... + 5825.

It is an arithmetic number, because the mean of its divisors is an integer number (2429265).

Almost surely, 2^16168745 is an apocalyptic number.

It is an amenable number.

16168745 is a deficient number, since it is larger than the sum of its proper divisors (3265375).

16168745 is an equidigital number, since it uses as much as digits as its factorization.

16168745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275.

The product of its digits is 40320, while the sum is 38.

The square root of 16168745 is about 4021.0378013642. The cubic root of 16168745 is about 252.8669695942.

The spelling of 16168745 in words is "sixteen million, one hundred sixty-eight thousand, seven hundred forty-five".