167428636867 has 2 divisors, whose sum is σ = 167428636868. Its totient is φ = 167428636866.

The previous prime is 167428636819. The next prime is 167428636987. The reversal of 167428636867 is 768636824761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 167428636867 - 2³⁵ = 133068898499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 167428636799 and 167428636808.

It is not a weakly prime, because it can be changed into another prime (167428636267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83714318433 + 83714318434.

It is an arithmetic number, because the mean of its divisors is an integer number (83714318434).

Almost surely, 2^167428636867 is an apocalyptic number.

167428636867 is a deficient number, since it is larger than the sum of its proper divisors (1).

167428636867 is an equidigital number, since it uses as much as digits as its factorization.

167428636867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97542144, while the sum is 64.

The spelling of 167428636867 in words is "one hundred sixty-seven billion, four hundred twenty-eight million, six hundred thirty-six thousand, eight hundred sixty-seven".