160639867 has 2 divisors, whose sum is σ = 160639868. Its totient is φ = 160639866.

The previous prime is 160639859. The next prime is 160639877. The reversal of 160639867 is 768936061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 160639867 - 2³ = 160639859 is a prime.

It is not a weakly prime, because it can be changed into another prime (160639807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80319933 + 80319934.

It is an arithmetic number, because the mean of its divisors is an integer number (80319934).

Almost surely, 2^160639867 is an apocalyptic number.

160639867 is a deficient number, since it is larger than the sum of its proper divisors (1).

160639867 is an equidigital number, since it uses as much as digits as its factorization.

160639867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 160639867 is about 12674.3783673993. The cubic root of 160639867 is about 543.6062550053.

The spelling of 160639867 in words is "one hundred sixty million, six hundred thirty-nine thousand, eight hundred sixty-seven".