161232346001 has 8 divisors (see below), whose sum is σ = 171299977320. Its totient is φ = 151465241088.

The previous prime is 161232345997. The next prime is 161232346021. The reversal of 161232346001 is 100643232161.

It can be written as a sum of positive squares in 4 ways, for example, as 99628609600 + 61603736401 = 315640^2 + 248201^2 .

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 161232346001 - 2² = 161232345997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161232346021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75130496 + ... + 75132641.

It is an arithmetic number, because the mean of its divisors is an integer number (21412497165).

Almost surely, 2^161232346001 is an apocalyptic number.

It is an amenable number.

161232346001 is a deficient number, since it is larger than the sum of its proper divisors (10067631319).

161232346001 is a wasteful number, since it uses less digits than its factorization.

161232346001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150263203.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 161232346001 its reverse (100643232161), we get a palindrome (261875578162).

The spelling of 161232346001 in words is "one hundred sixty-one billion, two hundred thirty-two million, three hundred forty-six thousand, one".