163254236148 has 18 divisors (see below), whose sum is σ = 412670430354. Its totient is φ = 54418078704.

The previous prime is 163254236129. The next prime is 163254236179. The reversal of 163254236148 is 841632452361.

163254236148 is a `hidden beast` number, since 1 + 6 + 3 + 2 + 5 + 4 + 23 + 614 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 108180472464 + 55073763684 = 328908^2 + 234678^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2267419911 + ... + 2267419982.

Almost surely, 2^163254236148 is an apocalyptic number.

163254236148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

163254236148 is an abundant number, since it is smaller than the sum of its proper divisors (249416194206).

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

163254236148 is a wasteful number, since it uses less digits than its factorization.

163254236148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534839903 (or 4534839898 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The spelling of 163254236148 in words is "one hundred sixty-three billion, two hundred fifty-four million, two hundred thirty-six thousand, one hundred forty-eight".