16204828878 has 48 divisors (see below), whose sum is σ = 40252923360. Its totient is φ = 4615334208.

The previous prime is 16204828877. The next prime is 16204828879. The reversal of 16204828878 is 87882840261.

16204828878 is a `hidden beast` number, since 1 + 620 + 4 + 8 + 2 + 8 + 8 + 7 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (16204828877) and next prime (16204828879).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16204828873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162913 + ... + 242796.

It is an arithmetic number, because the mean of its divisors is an integer number (838602570).

Almost surely, 2^16204828878 is an apocalyptic number.

16204828878 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16204828878 is an abundant number, since it is smaller than the sum of its proper divisors (24048094482).

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

16204828878 is a wasteful number, since it uses less digits than its factorization.

16204828878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406041 (or 406038 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 54.

The spelling of 16204828878 in words is "sixteen billion, two hundred four million, eight hundred twenty-eight thousand, eight hundred seventy-eight".