16386868 has 6 divisors (see below), whose sum is σ = 28677026. Its totient is φ = 8193432.

The previous prime is 16386859. The next prime is 16386869. The reversal of 16386868 is 86868361.

It is a happy number.

16386868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 15194404 + 1192464 = 3898^2 + 1092^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16386869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2048355 + ... + 2048362.

Almost surely, 2^16386868 is an apocalyptic number.

It is an amenable number.

16386868 is a deficient number, since it is larger than the sum of its proper divisors (12290158).

16386868 is a wasteful number, since it uses less digits than its factorization.

16386868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096721 (or 4096719 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 16386868 is about 4048.0696634322. The cubic root of 16386868 is about 253.9989873273.

It can be divided in two parts, 16 and 386868, that added together give a square (386884 = 622²).

The spelling of 16386868 in words is "sixteen million, three hundred eighty-six thousand, eight hundred sixty-eight".