18070239346 has 8 divisors (see below), whose sum is σ = 27108533340. Its totient is φ = 9034061568.

The previous prime is 18070239307. The next prime is 18070239401. The reversal of 18070239346 is 64393207081.

It can be written as a sum of positive squares in 2 ways, for example, as 17540088721 + 530150625 = 132439^2 + 23025^2 .

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, 507531 + ... + 541966.

Almost surely, 2^18070239346 is an apocalyptic number.

18070239346 is a deficient number, since it is larger than the sum of its proper divisors (9038293994).

18070239346 is a wasteful number, since it uses less digits than its factorization.

18070239346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058108.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 18070239346 in words is "eighteen billion, seventy million, two hundred thirty-nine thousand, three hundred forty-six".