18105351322 has 8 divisors (see below), whose sum is σ = 28755558036. Its totient is φ = 8520165312.

The previous prime is 18105351287. The next prime is 18105351371. The reversal of 18105351322 is 22315350181.

It can be written as a sum of positive squares in 2 ways, for example, as 18014739961 + 90611361 = 134219^2 + 9519^2 .

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

It is a super-3 number, since 3×18105351322³ (a number of 32 digits) contains 333 as substring.

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, 266255133 + ... + 266255200.

Almost surely, 2^18105351322 is an apocalyptic number.

18105351322 is a deficient number, since it is larger than the sum of its proper divisors (10650206714).

18105351322 is a wasteful number, since it uses less digits than its factorization.

18105351322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532510352.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 18105351322 in words is "eighteen billion, one hundred five million, three hundred fifty-one thousand, three hundred twenty-two".