168426683351 has 4 divisors (see below), whose sum is σ = 172978755912. Its totient is φ = 163874610792.

The previous prime is 168426683333. The next prime is 168426683407. The reversal of 168426683351 is 153386624861.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153386624861 = 159721 ⋅960341.

It is a cyclic number.

It is not a de Polignac number, because 168426683351 - 2⁶ = 168426683287 is a prime.

It is a super-3 number, since 3×168426683351³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168426683293 and 168426683302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168426613351) 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, 2276036225 + ... + 2276036298.

It is an arithmetic number, because the mean of its divisors is an integer number (43244688978).

Almost surely, 2^168426683351 is an apocalyptic number.

168426683351 is a deficient number, since it is larger than the sum of its proper divisors (4552072561).

168426683351 is an equidigital number, since it uses as much as digits as its factorization.

168426683351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4552072560.

The product of its digits is 4976640, while the sum is 53.

The spelling of 168426683351 in words is "one hundred sixty-eight billion, four hundred twenty-six million, six hundred eighty-three thousand, three hundred fifty-one".