18351819466059 has 8 divisors (see below), whose sum is σ = 24469135285392. Its totient is φ = 12234524978720.

The previous prime is 18351819466037. The next prime is 18351819466061. The reversal of 18351819466059 is 95066491815381.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 18351819466059 - 2¹⁵ = 18351819433291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18351819466259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3204252 + ... + 6853529.

It is an arithmetic number, because the mean of its divisors is an integer number (3058641910674).

Almost surely, 2^{18351819466059} is an apocalyptic number.

18351819466059 is a deficient number, since it is larger than the sum of its proper divisors (6117315819333).

18351819466059 is a wasteful number, since it uses less digits than its factorization.

18351819466059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10665997.

The product of its (nonzero) digits is 55987200, while the sum is 66.

The spelling of 18351819466059 in words is "eighteen trillion, three hundred fifty-one billion, eight hundred nineteen million, four hundred sixty-six thousand, fifty-nine".