163080861 has 8 divisors (see below), whose sum is σ = 217513920. Its totient is φ = 108684192.

The previous prime is 163080839. The next prime is 163080871. The reversal of 163080861 is 168080361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 163080861 - 2⁵ = 163080829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163080871) 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, 4096 + ... + 18518.

It is an arithmetic number, because the mean of its divisors is an integer number (27189240).

Almost surely, 2^163080861 is an apocalyptic number.

It is an amenable number.

163080861 is a deficient number, since it is larger than the sum of its proper divisors (54433059).

163080861 is a wasteful number, since it uses less digits than its factorization.

163080861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18195.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 163080861 is about 12770.3117033219. The cubic root of 163080861 is about 546.3458709697.

The spelling of 163080861 in words is "one hundred sixty-three million, eighty thousand, eight hundred sixty-one".