16748849 has 8 divisors (see below), whose sum is σ = 18071592. Its totient is φ = 15431040.

The previous prime is 16748833. The next prime is 16748867. The reversal of 16748849 is 94884761.

It can be written as a sum of positive squares in 4 ways, for example, as 868624 + 15880225 = 932^2 + 3985^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 16748849 - 2⁴ = 16748833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16748449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9047 + ... + 10739.

It is an arithmetic number, because the mean of its divisors is an integer number (2258949).

Almost surely, 2^16748849 is an apocalyptic number.

It is an amenable number.

16748849 is a deficient number, since it is larger than the sum of its proper divisors (1322743).

16748849 is a wasteful number, since it uses less digits than its factorization.

16748849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467.

The product of its digits is 387072, while the sum is 47.

The square root of 16748849 is about 4092.5357664900. The cubic root of 16748849 is about 255.8556365828.

The spelling of 16748849 in words is "sixteen million, seven hundred forty-eight thousand, eight hundred forty-nine".