161179485 has 16 divisors (see below), whose sum is σ = 258311040. Its totient is φ = 85821120.

The previous prime is 161179481. The next prime is 161179517. The reversal of 161179485 is 584971161.

It is not a de Polignac number, because 161179485 - 2² = 161179481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161179481) 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 15 ways as a sum of consecutive naturals, for example, 951 + ... + 17979.

It is an arithmetic number, because the mean of its divisors is an integer number (16144440).

Almost surely, 2^161179485 is an apocalyptic number.

161179485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

161179485 is a deficient number, since it is larger than the sum of its proper divisors (97131555).

161179485 is a wasteful number, since it uses less digits than its factorization.

161179485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17668.

The product of its digits is 60480, while the sum is 42.

The square root of 161179485 is about 12695.6482701751. The cubic root of 161179485 is about 544.2142648703.

The spelling of 161179485 in words is "one hundred sixty-one million, one hundred seventy-nine thousand, four hundred eighty-five".