167261161 has 8 divisors (see below), whose sum is σ = 178545600. Its totient is φ = 156224880.

The previous prime is 167261141. The next prime is 167261167. The reversal of 167261161 is 161162761.

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 167261161 - 2²¹ = 165164009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (167261167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60646 + ... + 63343.

It is an arithmetic number, because the mean of its divisors is an integer number (22318200).

Almost surely, 2^167261161 is an apocalyptic number.

It is an amenable number.

167261161 is a deficient number, since it is larger than the sum of its proper divisors (11284439).

167261161 is a wasteful number, since it uses less digits than its factorization.

167261161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124079.

The product of its digits is 3024, while the sum is 31.

The square root of 167261161 is about 12932.9486583687. The cubic root of 167261161 is about 550.9747573808.

The spelling of 167261161 in words is "one hundred sixty-seven million, two hundred sixty-one thousand, one hundred sixty-one".