158615135268 has 24 divisors (see below), whose sum is σ = 378709006368. Its totient is φ = 51642136896.

The previous prime is 158615135233. The next prime is 158615135291. The reversal of 158615135268 is 862531516851.

It is a happy number.

It is a super-2 number, since 2×158615135268² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 158615135268.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153696321 + ... + 153697352.

It is an arithmetic number, because the mean of its divisors is an integer number (15779541932).

Almost surely, 2^158615135268 is an apocalyptic number.

It is an amenable number.

158615135268 is an abundant number, since it is smaller than the sum of its proper divisors (220093871100).

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

158615135268 is a wasteful number, since it uses less digits than its factorization.

158615135268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307393723 (or 307393721 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 51.

The spelling of 158615135268 in words is "one hundred fifty-eight billion, six hundred fifteen million, one hundred thirty-five thousand, two hundred sixty-eight".