16842238398 has 24 divisors (see below), whose sum is σ = 36498293208. Its totient is φ = 5613036912.

The previous prime is 16842238363. The next prime is 16842238411. The reversal of 16842238398 is 89383224861.

16842238398 is a `hidden beast` number, since 16 + 8 + 4 + 2 + 238 + 398 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16036 + ... + 184232.

It is an arithmetic number, because the mean of its divisors is an integer number (1520762217).

Almost surely, 2^16842238398 is an apocalyptic number.

16842238398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

16842238398 is an abundant number, since it is smaller than the sum of its proper divisors (19656054810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16842238398 is a wasteful number, since it uses less digits than its factorization.

16842238398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173768 (or 173765 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The spelling of 16842238398 in words is "sixteen billion, eight hundred forty-two million, two hundred thirty-eight thousand, three hundred ninety-eight".