163542001 has 8 divisors (see below), whose sum is σ = 187709184. Its totient is φ = 139575840.

The previous prime is 163541971. The next prime is 163542011. The reversal of 163542001 is 100245361.

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

It is a cyclic number.

It is not a de Polignac number, because 163542001 - 2⁹ = 163541489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163542011) 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 7 ways as a sum of consecutive naturals, for example, 48505 + ... + 51766.

It is an arithmetic number, because the mean of its divisors is an integer number (23463648).

Almost surely, 2^163542001 is an apocalyptic number.

It is an amenable number.

163542001 is a deficient number, since it is larger than the sum of its proper divisors (24167183).

163542001 is a wasteful number, since it uses less digits than its factorization.

163542001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100511.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 163542001 is about 12788.3541161480. The cubic root of 163542001 is about 546.8603495656.

Adding to 163542001 its reverse (100245361), we get a palindrome (263787362).

The spelling of 163542001 in words is "one hundred sixty-three million, five hundred forty-two thousand, one".