16878316036484 has 36 divisors (see below), whose sum is σ = 34359755604300. Its totient is φ = 7233495272640.

The previous prime is 16878316036429. The next prime is 16878316036489. The reversal of 16878316036484 is 48463061387861.

It can be written as a sum of positive squares in 2 ways, for example, as 8187152142400 + 8691163894084 = 2861320^2 + 2948078^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16878316036484.

It is not an unprimeable number, because it can be changed into a prime (16878316036489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23960942 + ... + 24655290.

It is an arithmetic number, because the mean of its divisors is an integer number (954437655675).

Almost surely, 2^{16878316036484} is an apocalyptic number.

16878316036484 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16878316036484 is an abundant number, since it is smaller than the sum of its proper divisors (17481439567816).

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

16878316036484 is a wasteful number, since it uses less digits than its factorization.

16878316036484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818388 (or 818379 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 65.

The spelling of 16878316036484 in words is "sixteen trillion, eight hundred seventy-eight billion, three hundred sixteen million, thirty-six thousand, four hundred eighty-four".