161650060550101 has 16 divisors (see below), whose sum is σ = 171565172498160. Its totient is φ = 152036005972480.

The previous prime is 161650060550023. The next prime is 161650060550131. The reversal of 161650060550101 is 101055060056161.

It can be written as a sum of positive squares in 8 ways, for example, as 52444739031876 + 109205321518225 = 7241874^2 + 10450135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161650060550101 is a prime.

It is a super-2 number, since 2×161650060550101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161650060550131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103323610 + ... + 104876443.

It is an arithmetic number, because the mean of its divisors is an integer number (10722823281135).

Almost surely, 2^{161650060550101} is an apocalyptic number.

It is an amenable number.

161650060550101 is a deficient number, since it is larger than the sum of its proper divisors (9915111948059).

161650060550101 is a wasteful number, since it uses less digits than its factorization.

161650060550101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208200776.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 161650060550101 in words is "one hundred sixty-one trillion, six hundred fifty billion, sixty million, five hundred fifty thousand, one hundred one".