167244142069 has 4 divisors (see below), whose sum is σ = 167255217580. Its totient is φ = 167233066560.

The previous prime is 167244142063. The next prime is 167244142127. The reversal of 167244142069 is 960241442761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 960241442761 = 12889 ⋅74500849.

It can be written as a sum of positive squares in 2 ways, for example, as 21006733969 + 146237408100 = 144937^2 + 382410^2 .

It is a cyclic number.

It is not a de Polignac number, because 167244142069 - 2¹³ = 167244133877 is a prime.

It is a super-2 number, since 2×167244142069² (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 (167244142063) 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, 5515074 + ... + 5545315.

It is an arithmetic number, because the mean of its divisors is an integer number (41813804395).

Almost surely, 2^167244142069 is an apocalyptic number.

It is an amenable number.

167244142069 is a deficient number, since it is larger than the sum of its proper divisors (11075511).

167244142069 is a wasteful number, since it uses less digits than its factorization.

167244142069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11075510.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 167244142069 in words is "one hundred sixty-seven billion, two hundred forty-four million, one hundred forty-two thousand, sixty-nine".