16481716 has 6 divisors (see below), whose sum is σ = 28843010. Its totient is φ = 8240856.

The previous prime is 16481701. The next prime is 16481719. The reversal of 16481716 is 61718461.

It can be written as a sum of positive squares in only one way, i.e., 14791716 + 1690000 = 3846^2 + 1300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16481719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060211 + ... + 2060218.

Almost surely, 2^16481716 is an apocalyptic number.

It is an amenable number.

16481716 is a deficient number, since it is larger than the sum of its proper divisors (12361294).

16481716 is a wasteful number, since it uses less digits than its factorization.

16481716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4120433 (or 4120431 counting only the distinct ones).

The product of its digits is 8064, while the sum is 34.

The square root of 16481716 is about 4059.7679736655. The cubic root of 16481716 is about 254.4880977601.

It can be divided in two parts, 1648 and 1716, that added together give a square (3364 = 58²).

The spelling of 16481716 in words is "sixteen million, four hundred eighty-one thousand, seven hundred sixteen".