157968767203 has 4 divisors (see below), whose sum is σ = 170120210848. Its totient is φ = 145817323560.

The previous prime is 157968767161. The next prime is 157968767213. The reversal of 157968767203 is 302767869751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302767869751 = 235307 ⋅1286693.

It is a cyclic number.

It is not a de Polignac number, because 157968767203 - 2³³ = 149378832611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157968767213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6075721803 + ... + 6075721828.

It is an arithmetic number, because the mean of its divisors is an integer number (42530052712).

Almost surely, 2^157968767203 is an apocalyptic number.

157968767203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

157968767203 is a deficient number, since it is larger than the sum of its proper divisors (12151443645).

157968767203 is a wasteful number, since it uses less digits than its factorization.

157968767203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12151443644.

The product of its (nonzero) digits is 26671680, while the sum is 61.

The spelling of 157968767203 in words is "one hundred fifty-seven billion, nine hundred sixty-eight million, seven hundred sixty-seven thousand, two hundred three".