167211497 has 2 divisors, whose sum is σ = 167211498. Its totient is φ = 167211496.

The previous prime is 167211469. The next prime is 167211599. The reversal of 167211497 is 794112761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109390681 + 57820816 = 10459^2 + 7604^2 .

It is a cyclic number.

It is not a de Polignac number, because 167211497 - 2¹⁰ = 167210473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 167211497.

It is not a weakly prime, because it can be changed into another prime (167211467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83605748 + 83605749.

It is an arithmetic number, because the mean of its divisors is an integer number (83605749).

Almost surely, 2^167211497 is an apocalyptic number.

It is an amenable number.

167211497 is a deficient number, since it is larger than the sum of its proper divisors (1).

167211497 is an equidigital number, since it uses as much as digits as its factorization.

167211497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 38.

The square root of 167211497 is about 12931.0284587112. The cubic root of 167211497 is about 550.9202192782.

The spelling of 167211497 in words is "one hundred sixty-seven million, two hundred eleven thousand, four hundred ninety-seven".