158518012 has 6 divisors (see below), whose sum is σ = 277406528. Its totient is φ = 79259004.

The previous prime is 158517949. The next prime is 158518021. The reversal of 158518012 is 210815851.

It is a super-3 number, since 3×158518012³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19814748 + ... + 19814755.

Almost surely, 2^158518012 is an apocalyptic number.

It is an amenable number.

158518012 is a deficient number, since it is larger than the sum of its proper divisors (118888516).

158518012 is a wasteful number, since it uses less digits than its factorization.

158518012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39629507 (or 39629505 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 31.

The square root of 158518012 is about 12590.3936395968. The cubic root of 158518012 is about 541.2021821794.

The spelling of 158518012 in words is "one hundred fifty-eight million, five hundred eighteen thousand, twelve".