160901421 has 4 divisors (see below), whose sum is σ = 214535232. Its totient is φ = 107267612.

The previous prime is 160901387. The next prime is 160901441. The reversal of 160901421 is 124109061.

160901421 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.

It is a cyclic number.

It is not a de Polignac number, because 160901421 - 2¹⁴ = 160885037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 160901391 and 160901400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160901441) 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, 26816901 + ... + 26816906.

It is an arithmetic number, because the mean of its divisors is an integer number (53633808).

Almost surely, 2^160901421 is an apocalyptic number.

It is an amenable number.

160901421 is a deficient number, since it is larger than the sum of its proper divisors (53633811).

160901421 is an equidigital number, since it uses as much as digits as its factorization.

160901421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53633810.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 160901421 is about 12684.6923888599. The cubic root of 160901421 is about 543.9011284503.

The spelling of 160901421 in words is "one hundred sixty million, nine hundred one thousand, four hundred twenty-one".