16720348 has 12 divisors (see below), whose sum is σ = 29551032. Its totient is φ = 8277200.

The previous prime is 16720321. The next prime is 16720349. The reversal of 16720348 is 84302761.

It is a super-2 number, since 2×16720348² = 559140074482208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16720349) 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, 20290 + ... + 21097.

It is an arithmetic number, because the mean of its divisors is an integer number (2462586).

Almost surely, 2^16720348 is an apocalyptic number.

It is an amenable number.

16720348 is a deficient number, since it is larger than the sum of its proper divisors (12830684).

16720348 is a wasteful number, since it uses less digits than its factorization.

16720348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41492 (or 41490 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 16720348 is about 4089.0522129217. The cubic root of 16720348 is about 255.7104269690.

The spelling of 16720348 in words is "sixteen million, seven hundred twenty thousand, three hundred forty-eight".