163346642 has 16 divisors (see below), whose sum is σ = 262112760. Its totient is φ = 76075008.

The previous prime is 163346639. The next prime is 163346669. The reversal of 163346642 is 246643361.

It can be written as a sum of positive squares in 4 ways, for example, as 117527281 + 45819361 = 10841^2 + 6769^2 .

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, 21467 + ... + 28062.

Almost surely, 2^163346642 is an apocalyptic number.

163346642 is a deficient number, since it is larger than the sum of its proper divisors (98766118).

163346642 is a wasteful number, since it uses less digits than its factorization.

163346642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49645.

The product of its digits is 62208, while the sum is 35.

The square root of 163346642 is about 12780.7136733439. The cubic root of 163346642 is about 546.6425122350.

The spelling of 163346642 in words is "one hundred sixty-three million, three hundred forty-six thousand, six hundred forty-two".