160446421 has 4 divisors (see below), whose sum is σ = 165622144. Its totient is φ = 155270700.

The previous prime is 160446401. The next prime is 160446427. The reversal of 160446421 is 124644061.

160446421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124644061 = 23 ⋅5419307.

It is a cyclic number.

It is not a de Polignac number, because 160446421 - 2⁵ = 160446389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 160446421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160446427) 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, 2587815 + ... + 2587876.

It is an arithmetic number, because the mean of its divisors is an integer number (41405536).

Almost surely, 2^160446421 is an apocalyptic number.

It is an amenable number.

160446421 is a deficient number, since it is larger than the sum of its proper divisors (5175723).

160446421 is an equidigital number, since it uses as much as digits as its factorization.

160446421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5175722.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 160446421 is about 12666.7446883562. The cubic root of 160446421 is about 543.3879598892.

The spelling of 160446421 in words is "one hundred sixty million, four hundred forty-six thousand, four hundred twenty-one".