162906197 has 2 divisors, whose sum is σ = 162906198. Its totient is φ = 162906196.

The previous prime is 162906187. The next prime is 162906203. The reversal of 162906197 is 791609261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 160757041 + 2149156 = 12679^2 + 1466^2 .

It is a cyclic number.

It is not a de Polignac number, because 162906197 - 2¹⁶ = 162840661 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162906157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81453098 + 81453099.

It is an arithmetic number, because the mean of its divisors is an integer number (81453099).

Almost surely, 2^162906197 is an apocalyptic number.

It is an amenable number.

162906197 is a deficient number, since it is larger than the sum of its proper divisors (1).

162906197 is an equidigital number, since it uses as much as digits as its factorization.

162906197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 162906197 is about 12763.4711971313. The cubic root of 162906197 is about 546.1507509064.

The spelling of 162906197 in words is "one hundred sixty-two million, nine hundred six thousand, one hundred ninety-seven".