158166225528 has 16 divisors (see below), whose sum is σ = 395415563880. Its totient is φ = 52722075168.

The previous prime is 158166225493. The next prime is 158166225551. The reversal of 158166225528 is 825522661851.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3295129675 + ... + 3295129722.

Almost surely, 2^158166225528 is an apocalyptic number.

It is an amenable number.

158166225528 is an abundant number, since it is smaller than the sum of its proper divisors (237249338352).

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

158166225528 is a wasteful number, since it uses less digits than its factorization.

158166225528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6590259406 (or 6590259402 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 51.

The spelling of 158166225528 in words is "one hundred fifty-eight billion, one hundred sixty-six million, two hundred twenty-five thousand, five hundred twenty-eight".