16818030007 has 4 divisors (see below), whose sum is σ = 17360547136. Its totient is φ = 16275512880.

The previous prime is 16818029993. The next prime is 16818030107. The reversal of 16818030007 is 70003081861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70003081861 = 31 ⋅2258163931.

It is a cyclic number.

It is not a de Polignac number, because 16818030007 - 2²⁷ = 16683812279 is a prime.

It is a super-2 number, since 2×16818030007² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16818030107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271258518 + ... + 271258579.

It is an arithmetic number, because the mean of its divisors is an integer number (4340136784).

Almost surely, 2^16818030007 is an apocalyptic number.

16818030007 is a deficient number, since it is larger than the sum of its proper divisors (542517129).

16818030007 is an equidigital number, since it uses as much as digits as its factorization.

16818030007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542517128.

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 16818030007 in words is "sixteen billion, eight hundred eighteen million, thirty thousand, seven".