158426726401 has 12 divisors (see below), whose sum is σ = 161982596412. Its totient is φ = 154946332736.

The previous prime is 158426726369. The next prime is 158426726527. The reversal of 158426726401 is 104627624851.

It can be written as a sum of positive squares in 6 ways, for example, as 12656250000 + 145770476401 = 112500^2 + 381799^2 .

It is not a de Polignac number, because 158426726401 - 2⁵ = 158426726369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158426723401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 801495 + ... + 979411.

It is an arithmetic number, because the mean of its divisors is an integer number (13498549701).

It is a Proth number, since it is equal to 302175 ⋅ 2¹⁹ + 1 and 302175 < 2¹⁹.

Almost surely, 2^158426726401 is an apocalyptic number.

It is an amenable number.

158426726401 is a deficient number, since it is larger than the sum of its proper divisors (3555870011).

158426726401 is an equidigital number, since it uses as much as digits as its factorization.

158426726401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178340 (or 178287 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 158426726401 in words is "one hundred fifty-eight billion, four hundred twenty-six million, seven hundred twenty-six thousand, four hundred one".