16948549 has 4 divisors (see below), whose sum is σ = 17004064. Its totient is φ = 16893036.

The previous prime is 16948543. The next prime is 16948559. The reversal of 16948549 is 94584961.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94584961 = 389 ⋅243149.

It is a cyclic number.

It is not a de Polignac number, because 16948549 - 2⁹ = 16948037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16948499 and 16948508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16948543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27297 + ... + 27910.

It is an arithmetic number, because the mean of its divisors is an integer number (4251016).

Almost surely, 2^16948549 is an apocalyptic number.

It is an amenable number.

16948549 is a deficient number, since it is larger than the sum of its proper divisors (55515).

16948549 is an equidigital number, since it uses as much as digits as its factorization.

16948549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55514.

The product of its digits is 311040, while the sum is 46.

The square root of 16948549 is about 4116.8615473440. The cubic root of 16948549 is about 256.8684949503.

The spelling of 16948549 in words is "sixteen million, nine hundred forty-eight thousand, five hundred forty-nine".