16818682007 has 2 divisors, whose sum is σ = 16818682008. Its totient is φ = 16818682006.

The previous prime is 16818681983. The next prime is 16818682021. The reversal of 16818682007 is 70028681861.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16818682007 - 2²⁰ = 16817633431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16818682807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8409341003 + 8409341004.

It is an arithmetic number, because the mean of its divisors is an integer number (8409341004).

Almost surely, 2^16818682007 is an apocalyptic number.

16818682007 is a deficient number, since it is larger than the sum of its proper divisors (1).

16818682007 is an equidigital number, since it uses as much as digits as its factorization.

16818682007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 47.

The spelling of 16818682007 in words is "sixteen billion, eight hundred eighteen million, six hundred eighty-two thousand, seven".