163969948 has 6 divisors (see below), whose sum is σ = 286947416. Its totient is φ = 81984972.

The previous prime is 163969937. The next prime is 163969991. The reversal of 163969948 is 849969361.

It is a super-2 number, since 2×163969948² = 53772287694245408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20496240 + ... + 20496247.

Almost surely, 2^163969948 is an apocalyptic number.

It is an amenable number.

163969948 is a deficient number, since it is larger than the sum of its proper divisors (122977468).

163969948 is a wasteful number, since it uses less digits than its factorization.

163969948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40992491 (or 40992489 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 55.

The square root of 163969948 is about 12805.0750876362. The cubic root of 163969948 is about 547.3369313434.

The spelling of 163969948 in words is "one hundred sixty-three million, nine hundred sixty-nine thousand, nine hundred forty-eight".