16663137 has 8 divisors (see below), whose sum is σ = 22307040. Its totient is φ = 11064000.

The previous prime is 16663121. The next prime is 16663159. The reversal of 16663137 is 73136661.

16663137 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16663137 - 2⁴ = 16663121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16663098 and 16663107.

It is not an unprimeable number, because it can be changed into a prime (16663177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10312 + ... + 11817.

It is an arithmetic number, because the mean of its divisors is an integer number (2788380).

Almost surely, 2^16663137 is an apocalyptic number.

It is an amenable number.

16663137 is a deficient number, since it is larger than the sum of its proper divisors (5643903).

16663137 is a wasteful number, since it uses less digits than its factorization.

16663137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22383.

The product of its digits is 13608, while the sum is 33.

The square root of 16663137 is about 4082.0505876336. The cubic root of 16663137 is about 255.4184440790.

Adding to 16663137 its reverse (73136661), we get a palindrome (89799798).

The spelling of 16663137 in words is "sixteen million, six hundred sixty-three thousand, one hundred thirty-seven".