163795776949 has 8 divisors (see below), whose sum is σ = 187689095360. Its totient is φ = 140025938976.

The previous prime is 163795776941. The next prime is 163795776959. The reversal of 163795776949 is 949677597361.

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

It is not a de Polignac number, because 163795776949 - 2³ = 163795776941 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 (163795776941) 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, 30867264 + ... + 30872569.

It is an arithmetic number, because the mean of its divisors is an integer number (23461136920).

Almost surely, 2^163795776949 is an apocalyptic number.

It is an amenable number.

163795776949 is a deficient number, since it is larger than the sum of its proper divisors (23893318411).

163795776949 is an equidigital number, since it uses as much as digits as its factorization.

163795776949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61740219.

The product of its digits is 540101520, while the sum is 73.

The spelling of 163795776949 in words is "one hundred sixty-three billion, seven hundred ninety-five million, seven hundred seventy-six thousand, nine hundred forty-nine".