167641428013 has 4 divisors (see below), whose sum is σ = 173422166940. Its totient is φ = 161860689088.

The previous prime is 167641427999. The next prime is 167641428061. The reversal of 167641428013 is 310824146761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83487479364 + 84153948649 = 288942^2 + 290093^2 .

It is not a de Polignac number, because 167641428013 - 2¹⁷ = 167641296941 is a prime.

It is a super-2 number, since 2×167641428013² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167641428413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2890369420 + ... + 2890369477.

It is an arithmetic number, because the mean of its divisors is an integer number (43355541735).

Almost surely, 2^167641428013 is an apocalyptic number.

It is an amenable number.

167641428013 is a deficient number, since it is larger than the sum of its proper divisors (5780738927).

167641428013 is an equidigital number, since it uses as much as digits as its factorization.

167641428013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5780738926.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 167641428013 in words is "one hundred sixty-seven billion, six hundred forty-one million, four hundred twenty-eight thousand, thirteen".