168040131063 has 8 divisors (see below), whose sum is σ = 256061152128. Its totient is φ = 96022932024.

The previous prime is 168040131053. The next prime is 168040131107. The reversal of 168040131063 is 360131040861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 168040131063 - 2¹³ = 168040122871 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168040131023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4000955481 + ... + 4000955522.

It is an arithmetic number, because the mean of its divisors is an integer number (32007644016).

Almost surely, 2^168040131063 is an apocalyptic number.

168040131063 is a deficient number, since it is larger than the sum of its proper divisors (88021021065).

168040131063 is an equidigital number, since it uses as much as digits as its factorization.

168040131063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8001911013.

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 168040131063 in words is "one hundred sixty-eight billion, forty million, one hundred thirty-one thousand, sixty-three".