158169373 has 2 divisors, whose sum is σ = 158169374. Its totient is φ = 158169372.

The previous prime is 158169359. The next prime is 158169391. The reversal of 158169373 is 373961851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149157369 + 9012004 = 12213^2 + 3002^2 .

It is a cyclic number.

It is not a de Polignac number, because 158169373 - 2¹⁷ = 158038301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158169353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79084686 + 79084687.

It is an arithmetic number, because the mean of its divisors is an integer number (79084687).

Almost surely, 2^158169373 is an apocalyptic number.

It is an amenable number.

158169373 is a deficient number, since it is larger than the sum of its proper divisors (1).

158169373 is an equidigital number, since it uses as much as digits as its factorization.

158169373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The square root of 158169373 is about 12576.5405815749. The cubic root of 158169373 is about 540.8051238620.

The spelling of 158169373 in words is "one hundred fifty-eight million, one hundred sixty-nine thousand, three hundred seventy-three".