168935441782 has 16 divisors (see below), whose sum is σ = 258165309600. Its totient is φ = 82891968192.

The previous prime is 168935441723. The next prime is 168935441803. The reversal of 168935441782 is 287144539861.

It is a super-2 number, since 2×168935441782² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2878213 + ... + 2936320.

It is an arithmetic number, because the mean of its divisors is an integer number (16135331850).

Almost surely, 2^168935441782 is an apocalyptic number.

168935441782 is a deficient number, since it is larger than the sum of its proper divisors (89229867818).

168935441782 is a wasteful number, since it uses less digits than its factorization.

168935441782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5814807.

The product of its digits is 11612160, while the sum is 58.

The spelling of 168935441782 in words is "one hundred sixty-eight billion, nine hundred thirty-five million, four hundred forty-one thousand, seven hundred eighty-two".