158999009828 has 12 divisors (see below), whose sum is σ = 278260474800. Its totient is φ = 79496017032.

The previous prime is 158999009791. The next prime is 158999009837. The reversal of 158999009828 is 828900999851.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 768026 + ... + 952817.

It is an arithmetic number, because the mean of its divisors is an integer number (23188372900).

Almost surely, 2^158999009828 is an apocalyptic number.

It is an amenable number.

158999009828 is a deficient number, since it is larger than the sum of its proper divisors (119261464972).

158999009828 is a wasteful number, since it uses less digits than its factorization.

158999009828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743946 (or 1743944 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 68.

The spelling of 158999009828 in words is "one hundred fifty-eight billion, nine hundred ninety-nine million, nine thousand, eight hundred twenty-eight".