168040356672350 has 48 divisors (see below), whose sum is σ = 330140682263040. Its totient is φ = 63535138581600.

The previous prime is 168040356672341. The next prime is 168040356672373. The reversal of 168040356672350 is 53276653040861.

It is a happy number.

It is a super-2 number, since 2×168040356672350² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1260551180 + ... + 1260684479.

It is an arithmetic number, because the mean of its divisors is an integer number (6877930880480).

Almost surely, 2^{168040356672350} is an apocalyptic number.

168040356672350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168040356672350 is a deficient number, since it is larger than the sum of its proper divisors (162100325590690).

168040356672350 is a wasteful number, since it uses less digits than its factorization.

168040356672350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521235745 (or 2521235740 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 56.

The spelling of 168040356672350 in words is "one hundred sixty-eight trillion, forty billion, three hundred fifty-six million, six hundred seventy-two thousand, three hundred fifty".