163268287157 has 8 divisors (see below), whose sum is σ = 163853539416. Its totient is φ = 162683226112.

The previous prime is 163268287129. The next prime is 163268287199. The reversal of 163268287157 is 751782862361.

It can be written as a sum of positive squares in 4 ways, for example, as 79500877681 + 83767409476 = 281959^2 + 289426^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163268287157 - 2¹⁶ = 163268221621 is a prime.

It is a super-2 number, since 2×163268287157² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163268289157) 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, 1788773 + ... + 1877829.

It is an arithmetic number, because the mean of its divisors is an integer number (20481692427).

Almost surely, 2^163268287157 is an apocalyptic number.

It is an amenable number.

163268287157 is a deficient number, since it is larger than the sum of its proper divisors (585252259).

163268287157 is an equidigital number, since it uses as much as digits as its factorization.

163268287157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95607.

The product of its digits is 6773760, while the sum is 56.

The spelling of 163268287157 in words is "one hundred sixty-three billion, two hundred sixty-eight million, two hundred eighty-seven thousand, one hundred fifty-seven".