161135050071 has 16 divisors (see below), whose sum is σ = 233449763840. Its totient is φ = 98486616960.

The previous prime is 161135050067. The next prime is 161135050079. The reversal of 161135050071 is 170050531161.

It is not a de Polignac number, because 161135050071 - 2² = 161135050067 is a prime.

It is a super-2 number, since 2×161135050071² (a number of 23 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 (161135050079) 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, 45593890 + ... + 45597423.

It is an arithmetic number, because the mean of its divisors is an integer number (14590610240).

Almost surely, 2^161135050071 is an apocalyptic number.

161135050071 is a deficient number, since it is larger than the sum of its proper divisors (72314713769).

161135050071 is a wasteful number, since it uses less digits than its factorization.

161135050071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91191366.

The product of its (nonzero) digits is 3150, while the sum is 30.

The spelling of 161135050071 in words is "one hundred sixty-one billion, one hundred thirty-five million, fifty thousand, seventy-one".