168943436026 has 8 divisors (see below), whose sum is σ = 268321927860. Its totient is φ = 79502793408.

The previous prime is 168943436021. The next prime is 168943436059. The reversal of 168943436026 is 620634349861.

It can be written as a sum of positive squares in 2 ways, for example, as 167064300225 + 1879135801 = 408735^2 + 43349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (168943436021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2484462261 + ... + 2484462328.

Almost surely, 2^168943436026 is an apocalyptic number.

168943436026 is a deficient number, since it is larger than the sum of its proper divisors (99378491834).

168943436026 is a wasteful number, since it uses less digits than its factorization.

168943436026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4968924608.

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 168943436026 in words is "one hundred sixty-eight billion, nine hundred forty-three million, four hundred thirty-six thousand, twenty-six".