167149889 has 2 divisors, whose sum is σ = 167149890. Its totient is φ = 167149888.

The previous prime is 167149877. The next prime is 167149937. The reversal of 167149889 is 988941761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154132225 + 13017664 = 12415^2 + 3608^2 .

It is a cyclic number.

It is not a de Polignac number, because 167149889 - 2¹⁶ = 167084353 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 167149889.

It is not a weakly prime, because it can be changed into another prime (167149789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83574944 + 83574945.

It is an arithmetic number, because the mean of its divisors is an integer number (83574945).

Almost surely, 2^167149889 is an apocalyptic number.

It is an amenable number.

167149889 is a deficient number, since it is larger than the sum of its proper divisors (1).

167149889 is an equidigital number, since it uses as much as digits as its factorization.

167149889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 53.

The square root of 167149889 is about 12928.6460621366. The cubic root of 167149889 is about 550.8525499636.

The spelling of 167149889 in words is "one hundred sixty-seven million, one hundred forty-nine thousand, eight hundred eighty-nine".