167420207 has 2 divisors, whose sum is σ = 167420208. Its totient is φ = 167420206.

The previous prime is 167420189. The next prime is 167420221. The reversal of 167420207 is 702024761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 167420207 - 2¹² = 167416111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 167420207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (167420237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83710103 + 83710104.

It is an arithmetic number, because the mean of its divisors is an integer number (83710104).

Almost surely, 2^167420207 is an apocalyptic number.

167420207 is a deficient number, since it is larger than the sum of its proper divisors (1).

167420207 is an equidigital number, since it uses as much as digits as its factorization.

167420207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 167420207 is about 12939.0960658000. The cubic root of 167420207 is about 551.1493397923.

Adding to 167420207 its reverse (702024761), we get a palindrome (869444968).

The spelling of 167420207 in words is "one hundred sixty-seven million, four hundred twenty thousand, two hundred seven".