161680576448159 has 8 divisors (see below), whose sum is σ = 161753033166672. Its totient is φ = 161608127950080.

The previous prime is 161680576448129. The next prime is 161680576448197. The reversal of 161680576448159 is 951844675086161.

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 161680576448159 - 2¹⁶ = 161680576382623 is a prime.

It is a super-2 number, since 2×161680576448159² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161680576448092 and 161680576448101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161680576448129) 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, 37460072 + ... + 41552594.

It is an arithmetic number, because the mean of its divisors is an integer number (20219129145834).

Almost surely, 2^{161680576448159} is an apocalyptic number.

161680576448159 is a deficient number, since it is larger than the sum of its proper divisors (72456718513).

161680576448159 is a wasteful number, since it uses less digits than its factorization.

161680576448159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110217.

The product of its (nonzero) digits is 348364800, while the sum is 71.

The spelling of 161680576448159 in words is "one hundred sixty-one trillion, six hundred eighty billion, five hundred seventy-six million, four hundred forty-eight thousand, one hundred fifty-nine".