160606043261 has 4 divisors (see below), whose sum is σ = 160618813500. Its totient is φ = 160593273024.

The previous prime is 160606043251. The next prime is 160606043341. The reversal of 160606043261 is 162340606061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 162340606061 = 6449 ⋅25172989.

It can be written as a sum of positive squares in 2 ways, for example, as 15620250361 + 144985792900 = 124981^2 + 380770^2 .

It is a cyclic number.

It is not a de Polignac number, because 160606043261 - 2²⁶ = 160538934397 is a prime.

It is a super-2 number, since 2×160606043261² (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 (160606043251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6366236 + ... + 6391413.

It is an arithmetic number, because the mean of its divisors is an integer number (40154703375).

Almost surely, 2^160606043261 is an apocalyptic number.

It is an amenable number.

160606043261 is a deficient number, since it is larger than the sum of its proper divisors (12770239).

160606043261 is a wasteful number, since it uses less digits than its factorization.

160606043261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12770238.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 160606043261 in words is "one hundred sixty billion, six hundred six million, forty-three thousand, two hundred sixty-one".