161140224001 has 8 divisors (see below), whose sum is σ = 161504712000. Its totient is φ = 160776055440.

The previous prime is 161140223989. The next prime is 161140224013. The reversal of 161140224001 is 100422041161.

It is an interprime number because it is at equal distance from previous prime (161140223989) and next prime (161140224013).

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 161140224001 - 2¹¹ = 161140221953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161140224041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 944986 + ... + 1102396.

It is an arithmetic number, because the mean of its divisors is an integer number (20188089000).

Almost surely, 2^161140224001 is an apocalyptic number.

It is an amenable number.

161140224001 is a deficient number, since it is larger than the sum of its proper divisors (364487999).

161140224001 is a wasteful number, since it uses less digits than its factorization.

161140224001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159719.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 161140224001 its reverse (100422041161), we get a palindrome (261562265162).

The spelling of 161140224001 in words is "one hundred sixty-one billion, one hundred forty million, two hundred twenty-four thousand, one".