18485457346 has 8 divisors (see below), whose sum is σ = 27728769024. Its totient is φ = 9242534340.

The previous prime is 18485457337. The next prime is 18485457377. The reversal of 18485457346 is 64375458481.

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, 110511 + ... + 221773.

It is an arithmetic number, because the mean of its divisors is an integer number (3466096128).

Almost surely, 2^18485457346 is an apocalyptic number.

18485457346 is a deficient number, since it is larger than the sum of its proper divisors (9243311678).

18485457346 is a wasteful number, since it uses less digits than its factorization.

18485457346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194336.

The product of its digits is 12902400, while the sum is 55.

The spelling of 18485457346 in words is "eighteen billion, four hundred eighty-five million, four hundred fifty-seven thousand, three hundred forty-six".