167401246861 has 2 divisors, whose sum is σ = 167401246862. Its totient is φ = 167401246860.

The previous prime is 167401246847. The next prime is 167401246877. The reversal of 167401246861 is 168642104761.

167401246861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167076562500 + 324684361 = 408750^2 + 18019^2 .

It is a cyclic number.

It is not a de Polignac number, because 167401246861 - 2¹⁷ = 167401115789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167401246561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83700623430 + 83700623431.

It is an arithmetic number, because the mean of its divisors is an integer number (83700623431).

Almost surely, 2^167401246861 is an apocalyptic number.

It is an amenable number.

167401246861 is a deficient number, since it is larger than the sum of its proper divisors (1).

167401246861 is an equidigital number, since it uses as much as digits as its factorization.

167401246861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 167401246861 in words is "one hundred sixty-seven billion, four hundred one million, two hundred forty-six thousand, eight hundred sixty-one".