158169226488 has 128 divisors (see below), whose sum is σ = 488147089920. Its totient is φ = 41588743680.

The previous prime is 158169226463. The next prime is 158169226513. The reversal of 158169226488 is 884622961851.

It is an interprime number because it is at equal distance from previous prime (158169226463) and next prime (158169226513).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 613506 + ... + 832302.

It is an arithmetic number, because the mean of its divisors is an integer number (3813649140).

Almost surely, 2^158169226488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158169226488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244073544960).

158169226488 is an abundant number, since it is smaller than the sum of its proper divisors (329977863432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158169226488 is a wasteful number, since it uses less digits than its factorization.

158169226488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219157 (or 219153 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 60.

The spelling of 158169226488 in words is "one hundred fifty-eight billion, one hundred sixty-nine million, two hundred twenty-six thousand, four hundred eighty-eight".