163572342 has 8 divisors (see below), whose sum is σ = 327144696. Its totient is φ = 54524112.

The previous prime is 163572323. The next prime is 163572347. The reversal of 163572342 is 243275361.

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

163572342 is an admirable number.

It is a super-2 number, since 2×163572342² = 53511822134729928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163572347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13631023 + ... + 13631034.

It is an arithmetic number, because the mean of its divisors is an integer number (40893087).

Almost surely, 2^163572342 is an apocalyptic number.

163572342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163572342 is a wasteful number, since it uses less digits than its factorization.

163572342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27262062.

The product of its digits is 30240, while the sum is 33.

The square root of 163572342 is about 12789.5403357587. The cubic root of 163572342 is about 546.8941660853.

The spelling of 163572342 in words is "one hundred sixty-three million, five hundred seventy-two thousand, three hundred forty-two".