158946649852 has 12 divisors (see below), whose sum is σ = 278162037496. Its totient is φ = 79471782000.

The previous prime is 158946649843. The next prime is 158946649867. The reversal of 158946649852 is 258946649851.

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, 135978 + ... + 579985.

Almost surely, 2^158946649852 is an apocalyptic number.

It is an amenable number.

158946649852 is a deficient number, since it is larger than the sum of its proper divisors (119215387644).

158946649852 is a wasteful number, since it uses less digits than its factorization.

158946649852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771468 (or 771466 counting only the distinct ones).

The product of its digits is 149299200, while the sum is 67.

Subtracting 158946649852 from its reverse (258946649851), we obtain a palindrome (99999999999).

The spelling of 158946649852 in words is "one hundred fifty-eight billion, nine hundred forty-six million, six hundred forty-nine thousand, eight hundred fifty-two".