167968500853 has 4 divisors (see below), whose sum is σ = 168055398028. Its totient is φ = 167881603680.

The previous prime is 167968500839. The next prime is 167968500929. The reversal of 167968500853 is 358005869761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48156985809 + 119811515044 = 219447^2 + 346138^2 .

It is a cyclic number.

It is not a de Polignac number, because 167968500853 - 2¹³ = 167968492661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167968500253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43445688 + ... + 43449553.

It is an arithmetic number, because the mean of its divisors is an integer number (42013849507).

Almost surely, 2^167968500853 is an apocalyptic number.

It is an amenable number.

167968500853 is a deficient number, since it is larger than the sum of its proper divisors (86897175).

167968500853 is an equidigital number, since it uses as much as digits as its factorization.

167968500853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86897174.

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 167968500853 in words is "one hundred sixty-seven billion, nine hundred sixty-eight million, five hundred thousand, eight hundred fifty-three".