158465921218 has 16 divisors (see below), whose sum is σ = 259739353440. Its totient is φ = 71910108000.

The previous prime is 158465921191. The next prime is 158465921297. The reversal of 158465921218 is 812129564851.

158465921218 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×158465921218² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5979288 + ... + 6005731.

It is an arithmetic number, because the mean of its divisors is an integer number (16233709590).

Almost surely, 2^158465921218 is an apocalyptic number.

158465921218 is a deficient number, since it is larger than the sum of its proper divisors (101273432222).

158465921218 is a wasteful number, since it uses less digits than its factorization.

158465921218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11985633.

The product of its digits is 1382400, while the sum is 52.

The spelling of 158465921218 in words is "one hundred fifty-eight billion, four hundred sixty-five million, nine hundred twenty-one thousand, two hundred eighteen".