16263798 has 32 divisors (see below), whose sum is σ = 35290080. Its totient is φ = 4976640.

The previous prime is 16263773. The next prime is 16263817. The reversal of 16263798 is 89736261.

It is a happy number.

It is a super-3 number, since 3×16263798³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

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, 2238 + ... + 6126.

It is an arithmetic number, because the mean of its divisors is an integer number (1102815).

Almost surely, 2^16263798 is an apocalyptic number.

16263798 is an abundant number, since it is smaller than the sum of its proper divisors (19026282).

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

16263798 is a wasteful number, since it uses less digits than its factorization.

16263798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3952.

The product of its digits is 108864, while the sum is 42.

The square root of 16263798 is about 4032.8399422739. The cubic root of 16263798 is about 253.3615207940.

It can be divided in two parts, 162637 and 98, that added together give a triangular number (162735 = T₅₇₀).

The spelling of 16263798 in words is "sixteen million, two hundred sixty-three thousand, seven hundred ninety-eight".