167689097 has 2 divisors, whose sum is σ = 167689098. Its totient is φ = 167689096.

The previous prime is 167689051. The next prime is 167689129. The reversal of 167689097 is 790986761.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153165376 + 14523721 = 12376^2 + 3811^2 .

It is a cyclic number.

It is not a de Polignac number, because 167689097 - 2²⁴ = 150911881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (167689897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83844548 + 83844549.

It is an arithmetic number, because the mean of its divisors is an integer number (83844549).

Almost surely, 2^167689097 is an apocalyptic number.

It is an amenable number.

167689097 is a deficient number, since it is larger than the sum of its proper divisors (1).

167689097 is an equidigital number, since it uses as much as digits as its factorization.

167689097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The square root of 167689097 is about 12949.4824993125. The cubic root of 167689097 is about 551.4442450088. Note that the first 3 decimals are identical.

The spelling of 167689097 in words is "one hundred sixty-seven million, six hundred eighty-nine thousand, ninety-seven".