163776141 has 16 divisors (see below), whose sum is σ = 243035520. Its totient is φ = 109002240.

The previous prime is 163776049. The next prime is 163776161. The reversal of 163776141 is 141677361.

163776141 is a `hidden beast` number, since 1 + 6 + 37 + 7 + 614 + 1 = 666.

It is not a de Polignac number, because 163776141 - 2⁷ = 163776013 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 163776096 and 163776105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163776161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12576 + ... + 22038.

It is an arithmetic number, because the mean of its divisors is an integer number (15189720).

Almost surely, 2^163776141 is an apocalyptic number.

It is an amenable number.

163776141 is a deficient number, since it is larger than the sum of its proper divisors (79259379).

163776141 is an equidigital number, since it uses as much as digits as its factorization.

163776141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10113 (or 10107 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 163776141 is about 12797.5052646991. The cubic root of 163776141 is about 547.1212016708.

The spelling of 163776141 in words is "one hundred sixty-three million, seven hundred seventy-six thousand, one hundred forty-one".