163953422 has 8 divisors (see below), whose sum is σ = 249600936. Its totient is φ = 80753112.

The previous prime is 163953409. The next prime is 163953431. The reversal of 163953422 is 224359361.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611633 + ... + 611900.

It is an arithmetic number, because the mean of its divisors is an integer number (31200117).

Almost surely, 2^163953422 is an apocalyptic number.

163953422 is a deficient number, since it is larger than the sum of its proper divisors (85647514).

163953422 is a wasteful number, since it uses less digits than its factorization.

163953422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223602.

The product of its digits is 38880, while the sum is 35.

The square root of 163953422 is about 12804.4297803534. The cubic root of 163953422 is about 547.3185426200.

The spelling of 163953422 in words is "one hundred sixty-three million, nine hundred fifty-three thousand, four hundred twenty-two".