168038473815 has 12 divisors (see below), whose sum is σ = 291266688024. Its totient is φ = 89620519344.

The previous prime is 168038473807. The next prime is 168038473829. The reversal of 168038473815 is 518374830861.

It is a happy number.

168038473815 is a `hidden beast` number, since 1 + 68 + 0 + 38 + 473 + 81 + 5 = 666.

It is not a de Polignac number, because 168038473815 - 2³ = 168038473807 is a prime.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1867094109 + ... + 1867094198.

It is an arithmetic number, because the mean of its divisors is an integer number (24272224002).

Almost surely, 2^168038473815 is an apocalyptic number.

168038473815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

168038473815 is a deficient number, since it is larger than the sum of its proper divisors (123228214209).

168038473815 is a wasteful number, since it uses less digits than its factorization.

168038473815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734188318 (or 3734188315 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 168038473815 in words is "one hundred sixty-eight billion, thirty-eight million, four hundred seventy-three thousand, eight hundred fifteen".