18875164308 has 384 divisors, whose sum is σ = 61603282944. Its totient is φ = 4339353600.

The previous prime is 18875164271. The next prime is 18875164313. The reversal of 18875164308 is 80346157881.

It is a happy number.

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 127 ways as a sum of consecutive naturals, for example, 64420210 + ... + 64420502.

It is an arithmetic number, because the mean of its divisors is an integer number (160425216).

Almost surely, 2^18875164308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18875164308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30801641472).

18875164308 is an abundant number, since it is smaller than the sum of its proper divisors (42728118636).

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

18875164308 is a wasteful number, since it uses less digits than its factorization.

18875164308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 18875164308 in words is "eighteen billion, eight hundred seventy-five million, one hundred sixty-four thousand, three hundred eight".