161015167 has 4 divisors (see below), whose sum is σ = 161718520. Its totient is φ = 160311816.

The previous prime is 161015117. The next prime is 161015171. The reversal of 161015167 is 761510161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 761510161 = 127 ⋅5996143.

It is a cyclic number.

It is not a de Polignac number, because 161015167 - 2¹⁹ = 160490879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161015117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351333 + ... + 351790.

It is an arithmetic number, because the mean of its divisors is an integer number (40429630).

Almost surely, 2^161015167 is an apocalyptic number.

161015167 is a deficient number, since it is larger than the sum of its proper divisors (703353).

161015167 is an equidigital number, since it uses as much as digits as its factorization.

161015167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703352.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 161015167 is about 12689.1751899010. The cubic root of 161015167 is about 544.0292648887.

The spelling of 161015167 in words is "one hundred sixty-one million, fifteen thousand, one hundred sixty-seven".