167939309356 has 216 divisors, whose sum is σ = 391558043520. Its totient is φ = 62710502400.

The previous prime is 167939309347. The next prime is 167939309393. The reversal of 167939309356 is 653903939761.

It is a super-2 number, since 2×167939309356² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 167939309294 and 167939309303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 42098610 + ... + 42102598.

It is an arithmetic number, because the mean of its divisors is an integer number (1812768720).

Almost surely, 2^167939309356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 167939309356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195779021760).

167939309356 is an abundant number, since it is smaller than the sum of its proper divisors (223618734164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

167939309356 is a wasteful number, since it uses less digits than its factorization.

167939309356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105 (or 4083 counting only the distinct ones).

The product of its (nonzero) digits is 24800580, while the sum is 61.

The spelling of 167939309356 in words is "one hundred sixty-seven billion, nine hundred thirty-nine million, three hundred nine thousand, three hundred fifty-six".