168426380007 has 6 divisors (see below), whose sum is σ = 243282548912. Its totient is φ = 112284253332.

The previous prime is 168426379981. The next prime is 168426380029. The reversal of 168426380007 is 700083624861.

168426380007 is a `hidden beast` number, since 1 + 6 + 8 + 4 + 2 + 638 + 0 + 0 + 0 + 7 = 666.

It is not a de Polignac number, because 168426380007 - 2⁶ = 168426379943 is a prime.

It is a super-3 number, since 3×168426380007³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168426380077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9357021103 + ... + 9357021120.

Almost surely, 2^168426380007 is an apocalyptic number.

168426380007 is a deficient number, since it is larger than the sum of its proper divisors (74856168905).

168426380007 is a wasteful number, since it uses less digits than its factorization.

168426380007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18714042229 (or 18714042226 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 168426380007 in words is "one hundred sixty-eight billion, four hundred twenty-six million, three hundred eighty thousand, seven".