168426426269 has 8 divisors (see below), whose sum is σ = 180295908000. Its totient is φ = 156857437872.

The previous prime is 168426426251. The next prime is 168426426293. The reversal of 168426426269 is 962624624861.

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

It is a cyclic number.

It is not a de Polignac number, because 168426426269 - 2³² = 164131458973 is a prime.

It is a super-3 number, since 3×168426426269³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168426426869) 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, 75122174 + ... + 75124415.

It is an arithmetic number, because the mean of its divisors is an integer number (22536988500).

Almost surely, 2^168426426269 is an apocalyptic number.

168426426269 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

168426426269 is a deficient number, since it is larger than the sum of its proper divisors (11869481731).

168426426269 is a wasteful number, since it uses less digits than its factorization.

168426426269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150246667.

The product of its digits is 11943936, while the sum is 56.

The spelling of 168426426269 in words is "one hundred sixty-eight billion, four hundred twenty-six million, four hundred twenty-six thousand, two hundred sixty-nine".