16821023114 has 24 divisors (see below), whose sum is σ = 30895760160. Its totient is φ = 6829587576.

The previous prime is 16821023111. The next prime is 16821023129. The reversal of 16821023114 is 41132012861.

It is not an unprimeable number, because it can be changed into a prime (16821023111) 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, 4515062 + ... + 4518785.

It is an arithmetic number, because the mean of its divisors is an integer number (1287323340).

Almost surely, 2^16821023114 is an apocalyptic number.

16821023114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16821023114 is a deficient number, since it is larger than the sum of its proper divisors (14074737046).

16821023114 is a wasteful number, since it uses less digits than its factorization.

16821023114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9033882 (or 9033875 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

Adding to 16821023114 its reverse (41132012861), we get a palindrome (57953035975).

The spelling of 16821023114 in words is "sixteen billion, eight hundred twenty-one million, twenty-three thousand, one hundred fourteen".