168293438052370 has 64 divisors (see below), whose sum is σ = 309466355328000. Its totient is φ = 65875484908480.

The previous prime is 168293438052361. The next prime is 168293438052407. The reversal of 168293438052370 is 73250834392861.

It is a junction number, because it is equal to n+sod(n) for n = 168293438052299 and 168293438052308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121947105 + ... + 123319435.

It is an arithmetic number, because the mean of its divisors is an integer number (4835411802000).

It is a 1-persistent number, because it is pandigital, but 2⋅168293438052370 = 336586876104740 is not.

Almost surely, 2^{168293438052370} is an apocalyptic number.

168293438052370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168293438052370 is a deficient number, since it is larger than the sum of its proper divisors (141172917275630).

168293438052370 is a wasteful number, since it uses less digits than its factorization.

168293438052370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373343.

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 168293438052370 in words is "one hundred sixty-eight trillion, two hundred ninety-three billion, four hundred thirty-eight million, fifty-two thousand, three hundred seventy".