16945901 has 8 divisors (see below), whose sum is σ = 19440384. Its totient is φ = 14469840.

The previous prime is 16945847. The next prime is 16945909. The reversal of 16945901 is 10954961.

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

It is not a de Polignac number, because 16945901 - 2⁶ = 16945837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16945909) 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 7 ways as a sum of consecutive naturals, for example, 2570 + ... + 6363.

It is an arithmetic number, because the mean of its divisors is an integer number (2430048).

Almost surely, 2^16945901 is an apocalyptic number.

It is an amenable number.

16945901 is a deficient number, since it is larger than the sum of its proper divisors (2494483).

16945901 is an equidigital number, since it uses as much as digits as its factorization.

16945901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9211.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 16945901 is about 4116.5399305728. The cubic root of 16945901 is about 256.8551167510.

The spelling of 16945901 in words is "sixteen million, nine hundred forty-five thousand, nine hundred one".