160622881 has 2 divisors, whose sum is σ = 160622882. Its totient is φ = 160622880.

The previous prime is 160622863. The next prime is 160622911. The reversal of 160622881 is 188226061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82901025 + 77721856 = 9105^2 + 8816^2 .

It is a cyclic number.

It is not a de Polignac number, because 160622881 - 2⁷ = 160622753 is a prime.

It is a super-2 number, since 2×160622881² = 51599419801480322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (160622831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80311440 + 80311441.

It is an arithmetic number, because the mean of its divisors is an integer number (80311441).

Almost surely, 2^160622881 is an apocalyptic number.

It is an amenable number.

160622881 is a deficient number, since it is larger than the sum of its proper divisors (1).

160622881 is an equidigital number, since it uses as much as digits as its factorization.

160622881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 160622881 is about 12673.7082576490. The cubic root of 160622881 is about 543.5870940886.

The spelling of 160622881 in words is "one hundred sixty million, six hundred twenty-two thousand, eight hundred eighty-one".