160142266421 has 4 divisors (see below), whose sum is σ = 162335996172. Its totient is φ = 157948536672.

The previous prime is 160142266399. The next prime is 160142266447. The reversal of 160142266421 is 124662241061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124662241061 = 68059 ⋅1831679.

It can be written as a sum of positive squares in 2 ways, for example, as 103226621521 + 56915644900 = 321289^2 + 238570^2 .

It is a cyclic number.

It is not a de Polignac number, because 160142266421 - 2¹⁰ = 160142265397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160142269421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1096864766 + ... + 1096864911.

It is an arithmetic number, because the mean of its divisors is an integer number (40583999043).

Almost surely, 2^160142266421 is an apocalyptic number.

It is an amenable number.

160142266421 is a deficient number, since it is larger than the sum of its proper divisors (2193729751).

160142266421 is an equidigital number, since it uses as much as digits as its factorization.

160142266421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193729750.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 160142266421 in words is "one hundred sixty billion, one hundred forty-two million, two hundred sixty-six thousand, four hundred twenty-one".