158961884 has 12 divisors (see below), whose sum is σ = 284652984. Its totient is φ = 77632464.

The previous prime is 158961877. The next prime is 158961899. The reversal of 158961884 is 488169851.

158961884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461927 + ... + 462270.

It is an arithmetic number, because the mean of its divisors is an integer number (23721082).

Almost surely, 2^158961884 is an apocalyptic number.

It is an amenable number.

158961884 is a deficient number, since it is larger than the sum of its proper divisors (125691100).

158961884 is a wasteful number, since it uses less digits than its factorization.

158961884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924244 (or 924242 counting only the distinct ones).

The product of its digits is 552960, while the sum is 50.

The square root of 158961884 is about 12608.0087246163. The cubic root of 158961884 is about 541.7068579987.

The spelling of 158961884 in words is "one hundred fifty-eight million, nine hundred sixty-one thousand, eight hundred eighty-four".