16313768 has 8 divisors (see below), whose sum is σ = 30588330. Its totient is φ = 8156880.

The previous prime is 16313749. The next prime is 16313827. The reversal of 16313768 is 86731361.

It can be written as a sum of positive squares in only one way, i.e., 15194404 + 1119364 = 3898^2 + 1058^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×16313768² = 532278052715648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1019603 + ... + 1019618.

Almost surely, 2^16313768 is an apocalyptic number.

It is an amenable number.

16313768 is a deficient number, since it is larger than the sum of its proper divisors (14274562).

16313768 is a wasteful number, since it uses less digits than its factorization.

16313768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039227 (or 2039223 counting only the distinct ones).

The product of its digits is 18144, while the sum is 35.

The square root of 16313768 is about 4039.0305767597. The cubic root of 16313768 is about 253.6207372243.

It can be divided in two parts, 163 and 13768, that added together give a palindrome (13931).

The spelling of 16313768 in words is "sixteen million, three hundred thirteen thousand, seven hundred sixty-eight".