160661011489 has 8 divisors (see below), whose sum is σ = 175581226368. Its totient is φ = 145793241360.

The previous prime is 160661011447. The next prime is 160661011493. The reversal of 160661011489 is 984110166061.

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 160661011489 - 2¹⁷ = 160660880417 is a prime.

It is a super-2 number, since 2×160661011489² (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 (160661011409) 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, 13104777 + ... + 13117030.

It is an arithmetic number, because the mean of its divisors is an integer number (21947653296).

Almost surely, 2^160661011489 is an apocalyptic number.

It is an amenable number.

160661011489 is a deficient number, since it is larger than the sum of its proper divisors (14920214879).

160661011489 is a wasteful number, since it uses less digits than its factorization.

160661011489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26222375.

The product of its (nonzero) digits is 62208, while the sum is 43.

The spelling of 160661011489 in words is "one hundred sixty billion, six hundred sixty-one million, eleven thousand, four hundred eighty-nine".