16818210747 has 12 divisors (see below), whose sum is σ = 26161661344. Its totient is φ = 10349668080.

The previous prime is 16818210713. The next prime is 16818210751. The reversal of 16818210747 is 74701281861.

It is not a de Polignac number, because 16818210747 - 2¹² = 16818206651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16818210707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71872579 + ... + 71872812.

Almost surely, 2^16818210747 is an apocalyptic number.

16818210747 is a deficient number, since it is larger than the sum of its proper divisors (9343450597).

16818210747 is a wasteful number, since it uses less digits than its factorization.

16818210747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143745410 (or 143745407 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 45.

It can be divided in two parts, 168182 and 10747, that added together give a square (178929 = 423²).

The spelling of 16818210747 in words is "sixteen billion, eight hundred eighteen million, two hundred ten thousand, seven hundred forty-seven".