168272401433 has 8 divisors (see below), whose sum is σ = 174804448896. Its totient is φ = 161855965600.

The previous prime is 168272401403. The next prime is 168272401501. The reversal of 168272401433 is 334104272861.

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

It is a cyclic number.

It is not a de Polignac number, because 168272401433 - 2¹⁰ = 168272400409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168272401403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28899941 + ... + 28905762.

It is an arithmetic number, because the mean of its divisors is an integer number (21850556112).

Almost surely, 2^168272401433 is an apocalyptic number.

It is an amenable number.

168272401433 is a deficient number, since it is larger than the sum of its proper divisors (6532047463).

168272401433 is an equidigital number, since it uses as much as digits as its factorization.

168272401433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57805815.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 168272401433 in words is "one hundred sixty-eight billion, two hundred seventy-two million, four hundred one thousand, four hundred thirty-three".