158852684437 has 2 divisors, whose sum is σ = 158852684438. Its totient is φ = 158852684436.

The previous prime is 158852684383. The next prime is 158852684443. The reversal of 158852684437 is 734486258851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122674362001 + 36178322436 = 350249^2 + 190206^2 .

It is an emirp because it is prime and its reverse (734486258851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158852684437 - 2¹⁹ = 158852160149 is a prime.

It is a super-2 number, since 2×158852684437² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158852682437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79426342218 + 79426342219.

It is an arithmetic number, because the mean of its divisors is an integer number (79426342219).

Almost surely, 2^158852684437 is an apocalyptic number.

It is an amenable number.

158852684437 is a deficient number, since it is larger than the sum of its proper divisors (1).

158852684437 is an equidigital number, since it uses as much as digits as its factorization.

158852684437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51609600, while the sum is 61.

The spelling of 158852684437 in words is "one hundred fifty-eight billion, eight hundred fifty-two million, six hundred eighty-four thousand, four hundred thirty-seven".