16516368 has 60 divisors (see below), whose sum is σ = 50429808. Its totient is φ = 5004480.

The previous prime is 16516307. The next prime is 16516373. The reversal of 16516368 is 86361561.

It is a happy number.

16516368 is a `hidden beast` number, since 16 + 5 + 1 + 636 + 8 = 666.

It is a super-2 number, since 2×16516368² = 545580823822848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3630 + ... + 6797.

Almost surely, 2^16516368 is an apocalyptic number.

16516368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16516368 is an abundant number, since it is smaller than the sum of its proper divisors (33913440).

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

16516368 is a wasteful number, since it uses less digits than its factorization.

16516368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10452 (or 10443 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 16516368 is about 4064.0334644292. The cubic root of 16516368 is about 254.6663224992. Note that the first 3 decimals are identical.

The spelling of 16516368 in words is "sixteen million, five hundred sixteen thousand, three hundred sixty-eight".