167153121161 has 32 divisors (see below), whose sum is σ = 191428581120. Its totient is φ = 144778233600.

The previous prime is 167153121143. The next prime is 167153121169. The reversal of 167153121161 is 161121351761.

It is not a de Polignac number, because 167153121161 - 2³⁴ = 149973251977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (167153121169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6900491 + ... + 6924671.

It is an arithmetic number, because the mean of its divisors is an integer number (5982143160).

Almost surely, 2^167153121161 is an apocalyptic number.

It is an amenable number.

167153121161 is a deficient number, since it is larger than the sum of its proper divisors (24275459959).

167153121161 is a wasteful number, since it uses less digits than its factorization.

167153121161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24657.

The product of its digits is 7560, while the sum is 35.

The spelling of 167153121161 in words is "one hundred sixty-seven billion, one hundred fifty-three million, one hundred twenty-one thousand, one hundred sixty-one".