16949901 has 32 divisors (see below), whose sum is σ = 25214976. Its totient is φ = 10080000.

The previous prime is 16949899. The next prime is 16949923. The reversal of 16949901 is 10994961.

It is not a de Polignac number, because 16949901 - 2¹ = 16949899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16949901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16949951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112176 + ... + 112326.

It is an arithmetic number, because the mean of its divisors is an integer number (787968).

Almost surely, 2^16949901 is an apocalyptic number.

16949901 is the 2201-st nonagonal number.

It is an amenable number.

16949901 is a deficient number, since it is larger than the sum of its proper divisors (8265075).

16949901 is a wasteful number, since it uses less digits than its factorization.

16949901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 16949901 is about 4117.0257468226. The cubic root of 16949901 is about 256.8753249740.

The spelling of 16949901 in words is "sixteen million, nine hundred forty-nine thousand, nine hundred one".