16313388 has 48 divisors (see below), whose sum is σ = 46851840. Its totient is φ = 4302144.

The previous prime is 16313369. The next prime is 16313393. The reversal of 16313388 is 88331361.

It is a happy number.

It is a super-2 number, since 2×16313388² = 532253256077088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6378 + ... + 8561.

It is an arithmetic number, because the mean of its divisors is an integer number (976080).

Almost surely, 2^16313388 is an apocalyptic number.

It is an amenable number.

16313388 is an abundant number, since it is smaller than the sum of its proper divisors (30538452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16313388 is a wasteful number, since it uses less digits than its factorization.

16313388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14966 (or 14964 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 16313388 is about 4038.9835354950. The cubic root of 16313388 is about 253.6187679954.

The spelling of 16313388 in words is "sixteen million, three hundred thirteen thousand, three hundred eighty-eight".