163924148 has 6 divisors (see below), whose sum is σ = 286867266. Its totient is φ = 81962072.

The previous prime is 163924147. The next prime is 163924181. The reversal of 163924148 is 841429361.

It can be written as a sum of positive squares in only one way, i.e., 115175824 + 48748324 = 10732^2 + 6982^2 .

It is a super-2 number, since 2×163924148² = 53742252595051808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163924147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20490515 + ... + 20490522.

It is an arithmetic number, because the mean of its divisors is an integer number (47811211).

Almost surely, 2^163924148 is an apocalyptic number.

It is an amenable number.

163924148 is a deficient number, since it is larger than the sum of its proper divisors (122943118).

163924148 is a wasteful number, since it uses less digits than its factorization.

163924148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40981041 (or 40981039 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 163924148 is about 12803.2866093047. The cubic root of 163924148 is about 547.2859659762.

The spelling of 163924148 in words is "one hundred sixty-three million, nine hundred twenty-four thousand, one hundred forty-eight".