161049179 has 4 divisors (see below), whose sum is σ = 161116776. Its totient is φ = 160981584.

The previous prime is 161049167. The next prime is 161049181. The reversal of 161049179 is 971940161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 161049179 - 2¹⁶ = 160983643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161040179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30089 + ... + 35034.

It is an arithmetic number, because the mean of its divisors is an integer number (40279194).

Almost surely, 2^161049179 is an apocalyptic number.

161049179 is a deficient number, since it is larger than the sum of its proper divisors (67597).

161049179 is an equidigital number, since it uses as much as digits as its factorization.

161049179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67596.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 161049179 is about 12690.5153165661. The cubic root of 161049179 is about 544.0675681554.

The spelling of 161049179 in words is "one hundred sixty-one million, forty-nine thousand, one hundred seventy-nine".