16705001 has 4 divisors (see below), whose sum is σ = 17243904. Its totient is φ = 16166100.

The previous prime is 16704983. The next prime is 16705099. The reversal of 16705001 is 10050761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16705001 - 2⁶ = 16704937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16705301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269405 + ... + 269466.

It is an arithmetic number, because the mean of its divisors is an integer number (4310976).

Almost surely, 2^16705001 is an apocalyptic number.

It is an amenable number.

16705001 is a deficient number, since it is larger than the sum of its proper divisors (538903).

16705001 is an equidigital number, since it uses as much as digits as its factorization.

16705001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538902.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 16705001 is about 4087.1751858710. The cubic root of 16705001 is about 255.6321672498.

Adding to 16705001 its reverse (10050761), we get a palindrome (26755762).

The spelling of 16705001 in words is "sixteen million, seven hundred five thousand, one".