160634389 has 2 divisors, whose sum is σ = 160634390. Its totient is φ = 160634388.

The previous prime is 160634387. The next prime is 160634431. The reversal of 160634389 is 983436061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130713489 + 29920900 = 11433^2 + 5470^2 .

It is a cyclic number.

It is not a de Polignac number, because 160634389 - 2¹ = 160634387 is a prime.

Together with 160634387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160634387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80317194 + 80317195.

It is an arithmetic number, because the mean of its divisors is an integer number (80317195).

Almost surely, 2^160634389 is an apocalyptic number.

It is an amenable number.

160634389 is a deficient number, since it is larger than the sum of its proper divisors (1).

160634389 is an equidigital number, since it uses as much as digits as its factorization.

160634389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 160634389 is about 12674.1622602837. The cubic root of 160634389 is about 543.6000757403.

It can be divided in two parts, 16063 and 4389, that multiplied together give a palindrome (70500507).

The spelling of 160634389 in words is "one hundred sixty million, six hundred thirty-four thousand, three hundred eighty-nine".