160989929 has 2 divisors, whose sum is σ = 160989930. Its totient is φ = 160989928.

The previous prime is 160989887. The next prime is 160989943. The reversal of 160989929 is 929989061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119683600 + 41306329 = 10940^2 + 6427^2 .

It is a cyclic number.

It is not a de Polignac number, because 160989929 - 2¹² = 160985833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (160989529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80494964 + 80494965.

It is an arithmetic number, because the mean of its divisors is an integer number (80494965).

Almost surely, 2^160989929 is an apocalyptic number.

It is an amenable number.

160989929 is a deficient number, since it is larger than the sum of its proper divisors (1).

160989929 is an equidigital number, since it uses as much as digits as its factorization.

160989929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 53.

The square root of 160989929 is about 12688.1806812482. The cubic root of 160989929 is about 544.0008391441. Note that the first 3 decimals are identical.

The spelling of 160989929 in words is "one hundred sixty million, nine hundred eighty-nine thousand, nine hundred twenty-nine".