16828165278 has 12 divisors (see below), whose sum is σ = 36461024808. Its totient is φ = 5609388420.

The previous prime is 16828165231. The next prime is 16828165279. The reversal of 16828165278 is 87256182861.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16828165279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 467449018 + ... + 467449053.

It is an arithmetic number, because the mean of its divisors is an integer number (3038418734).

Almost surely, 2^16828165278 is an apocalyptic number.

16828165278 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16828165278 is an abundant number, since it is smaller than the sum of its proper divisors (19632859530).

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

16828165278 is a wasteful number, since it uses less digits than its factorization.

16828165278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934898079 (or 934898076 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 54.

It can be divided in two parts, 16828 and 165278, that added together give a triangular number (182106 = T₆₀₃).

The spelling of 16828165278 in words is "sixteen billion, eight hundred twenty-eight million, one hundred sixty-five thousand, two hundred seventy-eight".