158490105860 has 24 divisors (see below), whose sum is σ = 343565650176. Its totient is φ = 61351008480.

The previous prime is 158490105853. The next prime is 158490105863. The reversal of 158490105860 is 68501094851.

It is a happy number.

It is a super-2 number, since 2×158490105860² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (158490105863) by changing a digit.

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, 127813982 + ... + 127815221.

It is an arithmetic number, because the mean of its divisors is an integer number (14315235424).

Almost surely, 2^158490105860 is an apocalyptic number.

158490105860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158490105860 is an abundant number, since it is smaller than the sum of its proper divisors (185075544316).

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

158490105860 is a wasteful number, since it uses less digits than its factorization.

158490105860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255629243 (or 255629241 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 47.

The spelling of 158490105860 in words is "one hundred fifty-eight billion, four hundred ninety million, one hundred five thousand, eight hundred sixty".