16841766838 has 16 divisors (see below), whose sum is σ = 27550313280. Its totient is φ = 7674728256.

The previous prime is 16841766833. The next prime is 16841766881. The reversal of 16841766838 is 83866714861.

It is a happy number.

It is a super-2 number, since 2×16841766838² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16841766833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4097695 + ... + 4101802.

It is an arithmetic number, because the mean of its divisors is an integer number (1721894580).

Almost surely, 2^16841766838 is an apocalyptic number.

16841766838 is a deficient number, since it is larger than the sum of its proper divisors (10708546442).

16841766838 is a wasteful number, since it uses less digits than its factorization.

16841766838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8199591.

The product of its digits is 9289728, while the sum is 58.

The spelling of 16841766838 in words is "sixteen billion, eight hundred forty-one million, seven hundred sixty-six thousand, eight hundred thirty-eight".