163343642 has 16 divisors (see below), whose sum is σ = 305474112. Its totient is φ = 63640320.

The previous prime is 163343623. The next prime is 163343651. The reversal of 163343642 is 246343361.

It is a super-2 number, since 2×163343642² = 53362290763648328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163343599 and 163343608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 530183 + ... + 530490.

It is an arithmetic number, because the mean of its divisors is an integer number (19092132).

Almost surely, 2^163343642 is an apocalyptic number.

163343642 is a deficient number, since it is larger than the sum of its proper divisors (142130470).

163343642 is a wasteful number, since it uses less digits than its factorization.

163343642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060693.

The product of its digits is 31104, while the sum is 32.

The square root of 163343642 is about 12780.5963084670. The cubic root of 163343642 is about 546.6391656963.

The spelling of 163343642 in words is "one hundred sixty-three million, three hundred forty-three thousand, six hundred forty-two".