16968549 has 16 divisors (see below), whose sum is σ = 25425792. Its totient is φ = 9987648.

The previous prime is 16968521. The next prime is 16968557. The reversal of 16968549 is 94586961.

It is not a de Polignac number, because 16968549 - 2⁵ = 16968517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16968498 and 16968507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16968559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8562 + ... + 10355.

It is an arithmetic number, because the mean of its divisors is an integer number (1589112).

Almost surely, 2^16968549 is an apocalyptic number.

It is an amenable number.

16968549 is a deficient number, since it is larger than the sum of its proper divisors (8457243).

16968549 is a wasteful number, since it uses less digits than its factorization.

16968549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18956.

The product of its digits is 466560, while the sum is 48.

The square root of 16968549 is about 4119.2898659842. The cubic root of 16968549 is about 256.9694937724.

The spelling of 16968549 in words is "sixteen million, nine hundred sixty-eight thousand, five hundred forty-nine".