158470285891 has 16 divisors (see below), whose sum is σ = 170666131680. Its totient is φ = 146594675200.

The previous prime is 158470285877. The next prime is 158470285901. The reversal of 158470285891 is 198582074851.

It is a cyclic number.

It is not a de Polignac number, because 158470285891 - 2¹⁷ = 158470154819 is a prime.

It is a super-2 number, since 2×158470285891² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158470285871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7914705 + ... + 7934701.

It is an arithmetic number, because the mean of its divisors is an integer number (10666633230).

Almost surely, 2^158470285891 is an apocalyptic number.

158470285891 is a deficient number, since it is larger than the sum of its proper divisors (12195845789).

158470285891 is a wasteful number, since it uses less digits than its factorization.

158470285891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27974.

The product of its (nonzero) digits is 6451200, while the sum is 58.

The spelling of 158470285891 in words is "one hundred fifty-eight billion, four hundred seventy million, two hundred eighty-five thousand, eight hundred ninety-one".