16768426842 has 32 divisors (see below), whose sum is σ = 37267401600. Its totient is φ = 5588841024.

The previous prime is 16768426841. The next prime is 16768426891. The reversal of 16768426842 is 24862486761.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (16768426841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 917538 + ... + 935634.

It is an arithmetic number, because the mean of its divisors is an integer number (1164606300).

Almost surely, 2^16768426842 is an apocalyptic number.

16768426842 is an abundant number, since it is smaller than the sum of its proper divisors (20498974758).

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

16768426842 is a wasteful number, since it uses less digits than its factorization.

16768426842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35267 (or 35261 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 54.

The spelling of 16768426842 in words is "sixteen billion, seven hundred sixty-eight million, four hundred twenty-six thousand, eight hundred forty-two".