163795776948 has 18 divisors (see below), whose sum is σ = 414039325154. Its totient is φ = 54598592304.

The previous prime is 163795776941. The next prime is 163795776959. The reversal of 163795776948 is 849677597361.

It is a happy number.

163795776948 is a `hidden beast` number, since 1 + 6 + 3 + 7 + 9 + 577 + 6 + 9 + 48 = 666.

It can be written as a sum of positive squares in only one way, i.e., 143528837904 + 20266939044 = 378852^2 + 142362^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 2274941311 + ... + 2274941382.

Almost surely, 2^163795776948 is an apocalyptic number.

163795776948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

163795776948 is an abundant number, since it is smaller than the sum of its proper divisors (250243548206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163795776948 is a wasteful number, since it uses less digits than its factorization.

163795776948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549882703 (or 4549882698 counting only the distinct ones).

The product of its digits is 480090240, while the sum is 72.

The spelling of 163795776948 in words is "one hundred sixty-three billion, seven hundred ninety-five million, seven hundred seventy-six thousand, nine hundred forty-eight".