161050146217 has 8 divisors (see below), whose sum is σ = 166691022080. Its totient is φ = 155437127280.

The previous prime is 161050146143. The next prime is 161050146319. The reversal of 161050146217 is 712641050161.

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

It is a de Polignac number, because none of the positive numbers 2^k-161050146217 is a prime.

It is a super-2 number, since 2×161050146217² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161050144217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6952467 + ... + 6975592.

It is an arithmetic number, because the mean of its divisors is an integer number (20836377760).

Almost surely, 2^161050146217 is an apocalyptic number.

It is an amenable number.

161050146217 is a deficient number, since it is larger than the sum of its proper divisors (5640875863).

161050146217 is a wasteful number, since it uses less digits than its factorization.

161050146217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13928463.

The product of its (nonzero) digits is 10080, while the sum is 34.

Adding to 161050146217 its reverse (712641050161), we get a palindrome (873691196378).

The spelling of 161050146217 in words is "one hundred sixty-one billion, fifty million, one hundred forty-six thousand, two hundred seventeen".