158184226493 has 2 divisors, whose sum is σ = 158184226494. Its totient is φ = 158184226492.

The previous prime is 158184226441. The next prime is 158184226507. The reversal of 158184226493 is 394622481851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125331576484 + 32852650009 = 354022^2 + 181253^2 .

It is a cyclic number.

It is not a de Polignac number, because 158184226493 - 2¹² = 158184222397 is a prime.

It is a super-2 number, since 2×158184226493² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158184226093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79092113246 + 79092113247.

It is an arithmetic number, because the mean of its divisors is an integer number (79092113247).

Almost surely, 2^158184226493 is an apocalyptic number.

It is an amenable number.

158184226493 is a deficient number, since it is larger than the sum of its proper divisors (1).

158184226493 is an equidigital number, since it uses as much as digits as its factorization.

158184226493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3317760, while the sum is 53.

The spelling of 158184226493 in words is "one hundred fifty-eight billion, one hundred eighty-four million, two hundred twenty-six thousand, four hundred ninety-three".