16763868 has 96 divisors (see below), whose sum is σ = 48222720. Its totient is φ = 4993920.

The previous prime is 16763863. The next prime is 16763891. The reversal of 16763868 is 86836761.

16763868 is a `hidden beast` number, since 1 + 6 + 7 + 638 + 6 + 8 = 666.

It is a super-3 number, since 3×16763868³ (a number of 23 digits) contains 333 as substring.

Its product of digits (290304) is a multiple of the sum of its prime divisors (256).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16763861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122296 + ... + 122432.

It is an arithmetic number, because the mean of its divisors is an integer number (502320).

Almost surely, 2^16763868 is an apocalyptic number.

16763868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16763868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24111360).

16763868 is an abundant number, since it is smaller than the sum of its proper divisors (31458852).

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

16763868 is a wasteful number, since it uses less digits than its factorization.

16763868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 256 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 16763868 is about 4094.3702812521. The cubic root of 16763868 is about 255.9320905484.

The spelling of 16763868 in words is "sixteen million, seven hundred sixty-three thousand, eight hundred sixty-eight".