161753031001 has 4 divisors (see below), whose sum is σ = 161768500992. Its totient is φ = 161737561012.

The previous prime is 161753030987. The next prime is 161753031029. The reversal of 161753031001 is 100130357161.

161753031001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 161753031001 - 2⁵ = 161753030969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161753031101) 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, 7719301 + ... + 7740226.

It is an arithmetic number, because the mean of its divisors is an integer number (40442125248).

Almost surely, 2^161753031001 is an apocalyptic number.

It is an amenable number.

161753031001 is a deficient number, since it is larger than the sum of its proper divisors (15469991).

161753031001 is a wasteful number, since it uses less digits than its factorization.

161753031001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15469990.

The product of its (nonzero) digits is 1890, while the sum is 28.

Adding to 161753031001 its reverse (100130357161), we get a palindrome (261883388162).

The spelling of 161753031001 in words is "one hundred sixty-one billion, seven hundred fifty-three million, thirty-one thousand, one".