158541996 has 12 divisors (see below), whose sum is σ = 369931352. Its totient is φ = 52847328.

The previous prime is 158541961. The next prime is 158542001. The reversal of 158541996 is 699145851.

It is a tau number, because it is divible by the number of its divisors (12).

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, 6605905 + ... + 6605928.

Almost surely, 2^158541996 is an apocalyptic number.

It is an amenable number.

158541996 is an abundant number, since it is smaller than the sum of its proper divisors (211389356).

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

158541996 is a wasteful number, since it uses less digits than its factorization.

158541996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13211840 (or 13211838 counting only the distinct ones).

The product of its digits is 388800, while the sum is 48.

The square root of 158541996 is about 12591.3460757776. The cubic root of 158541996 is about 541.2294756888.

The spelling of 158541996 in words is "one hundred fifty-eight million, five hundred forty-one thousand, nine hundred ninety-six".