158226180605331 has 16 divisors (see below), whose sum is σ = 212106299535360. Its totient is φ = 104915265586880.

The previous prime is 158226180605329. The next prime is 158226180605357. The reversal of 158226180605331 is 133506081622851.

It is a cyclic number.

It is not a de Polignac number, because 158226180605331 - 2¹ = 158226180605329 is a prime.

It is a super-2 number, since 2×158226180605331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158226180605321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18188655 + ... + 25441688.

It is an arithmetic number, because the mean of its divisors is an integer number (13256643720960).

Almost surely, 2^{158226180605331} is an apocalyptic number.

158226180605331 is a deficient number, since it is larger than the sum of its proper divisors (53880118930029).

158226180605331 is a wasteful number, since it uses less digits than its factorization.

158226180605331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43636866.

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 158226180605331 in words is "one hundred fifty-eight trillion, two hundred twenty-six billion, one hundred eighty million, six hundred five thousand, three hundred thirty-one".