161167371 has 16 divisors (see below), whose sum is σ = 229008384. Its totient is φ = 100584704.

The previous prime is 161167339. The next prime is 161167381. The reversal of 161167371 is 173761161.

It is not a de Polignac number, because 161167371 - 2⁵ = 161167339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161167381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21606 + ... + 28091.

It is an arithmetic number, because the mean of its divisors is an integer number (14313024).

Almost surely, 2^161167371 is an apocalyptic number.

161167371 is a deficient number, since it is larger than the sum of its proper divisors (67841013).

161167371 is a wasteful number, since it uses less digits than its factorization.

161167371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49770.

The product of its digits is 5292, while the sum is 33.

The square root of 161167371 is about 12695.1711685979. The cubic root of 161167371 is about 544.2006304288.

The spelling of 161167371 in words is "one hundred sixty-one million, one hundred sixty-seven thousand, three hundred seventy-one".