168300518331 has 16 divisors (see below), whose sum is σ = 250771506048. Its totient is φ = 99512500800.

The previous prime is 168300518329. The next prime is 168300518417. The reversal of 168300518331 is 133815003861.

It is a happy number.

It is not a de Polignac number, because 168300518331 - 2¹ = 168300518329 is a prime.

It is a super-2 number, since 2×168300518331² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 168300518331.

It is not an unprimeable number, because it can be changed into a prime (168300518131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62193961 + ... + 62196666.

It is an arithmetic number, because the mean of its divisors is an integer number (15673219128).

Almost surely, 2^168300518331 is an apocalyptic number.

168300518331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

168300518331 is a deficient number, since it is larger than the sum of its proper divisors (82470987717).

168300518331 is a wasteful number, since it uses less digits than its factorization.

168300518331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124390682.

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 168300518331 in words is "one hundred sixty-eight billion, three hundred million, five hundred eighteen thousand, three hundred thirty-one".