167098138138 has 4 divisors (see below), whose sum is σ = 250647207210. Its totient is φ = 83549069068.

The previous prime is 167098138133. The next prime is 167098138183. The reversal of 167098138138 is 831831890761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 831831890761 = 433 ⋅1921089817.

It can be written as a sum of positive squares in only one way, i.e., 167079015009 + 19123129 = 408753^2 + 4373^2 .

It is a super-2 number, since 2×167098138138² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (167098138133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41774534533 + ... + 41774534536.

Almost surely, 2^167098138138 is an apocalyptic number.

167098138138 is a deficient number, since it is larger than the sum of its proper divisors (83549069072).

167098138138 is an equidigital number, since it uses as much as digits as its factorization.

167098138138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83549069071.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 167098138138 in words is "one hundred sixty-seven billion, ninety-eight million, one hundred thirty-eight thousand, one hundred thirty-eight".