157643735512163 has 4 divisors (see below), whose sum is σ = 157647469329888. Its totient is φ = 157640001694440.

The previous prime is 157643735512091. The next prime is 157643735512171. The reversal of 157643735512163 is 361215537346751.

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

It is a cyclic number.

It is not a de Polignac number, because 157643735512163 - 2¹² = 157643735508067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157643735512063) 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, 1866845531 + ... + 1866929972.

It is an arithmetic number, because the mean of its divisors is an integer number (39411867332472).

Almost surely, 2^{157643735512163} is an apocalyptic number.

157643735512163 is a deficient number, since it is larger than the sum of its proper divisors (3733817725).

157643735512163 is an equidigital number, since it uses as much as digits as its factorization.

157643735512163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733817724.

The product of its digits is 47628000, while the sum is 59.

The spelling of 157643735512163 in words is "one hundred fifty-seven trillion, six hundred forty-three billion, seven hundred thirty-five million, five hundred twelve thousand, one hundred sixty-three".