18881801875322 has 8 divisors (see below), whose sum is σ = 28322788530036. Its totient is φ = 9440872365312.

The previous prime is 18881801875271. The next prime is 18881801875357. The reversal of 18881801875322 is 22357810818881.

It can be written as a sum of positive squares in 2 ways, for example, as 18577229237161 + 304572638161 = 4310131^2 + 551881^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13450343 + ... + 14787674.

Almost surely, 2^{18881801875322} is an apocalyptic number.

18881801875322 is a deficient number, since it is larger than the sum of its proper divisors (9440986654714).

18881801875322 is a wasteful number, since it uses less digits than its factorization.

18881801875322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28572352.

The product of its (nonzero) digits is 13762560, while the sum is 62.

The spelling of 18881801875322 in words is "eighteen trillion, eight hundred eighty-one billion, eight hundred one million, eight hundred seventy-five thousand, three hundred twenty-two".