160428869 has 2 divisors, whose sum is σ = 160428870. Its totient is φ = 160428868.

The previous prime is 160428833. The next prime is 160428883. The reversal of 160428869 is 968824061.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149768644 + 10660225 = 12238^2 + 3265^2 .

It is an emirp because it is prime and its reverse (968824061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 160428869 - 2²⁰ = 159380293 is a prime.

It is a super-2 number, since 2×160428869² = 51474844017238322, which contains 22 as substring.

It is a Chen prime.

It is equal to p_8997155 and since 160428869 and 8997155 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160422869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80214434 + 80214435.

It is an arithmetic number, because the mean of its divisors is an integer number (80214435).

Almost surely, 2^160428869 is an apocalyptic number.

It is an amenable number.

160428869 is a deficient number, since it is larger than the sum of its proper divisors (1).

160428869 is an equidigital number, since it uses as much as digits as its factorization.

160428869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 160428869 is about 12666.0518315693. The cubic root of 160428869 is about 543.3681445656.

It can be divided in two parts, 1604 and 28869, that multiplied together give a triangular number (46305876 = T₉₆₂₃).

The spelling of 160428869 in words is "one hundred sixty million, four hundred twenty-eight thousand, eight hundred sixty-nine".