18070668219 has 8 divisors (see below), whose sum is σ = 25362341440. Its totient is φ = 11413053576.

The previous prime is 18070668197. The next prime is 18070668229. The reversal of 18070668219 is 91286607081.

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

It is not a de Polignac number, because 18070668219 - 2⁹ = 18070667707 is a prime.

It is a super-2 number, since 2×18070668219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18070668229) 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, 158514577 + ... + 158514690.

It is an arithmetic number, because the mean of its divisors is an integer number (3170292680).

Almost surely, 2^18070668219 is an apocalyptic number.

18070668219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

18070668219 is a deficient number, since it is larger than the sum of its proper divisors (7291673221).

18070668219 is a wasteful number, since it uses less digits than its factorization.

18070668219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317029289.

The product of its (nonzero) digits is 290304, while the sum is 48.

The spelling of 18070668219 in words is "eighteen billion, seventy million, six hundred sixty-eight thousand, two hundred nineteen".