157296733791 has 4 divisors (see below), whose sum is σ = 209728978392. Its totient is φ = 104864489192.

The previous prime is 157296733757. The next prime is 157296733801. The reversal of 157296733791 is 197337692751.

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 157296733791 - 2¹⁴ = 157296717407 is a prime.

It is a super-2 number, since 2×157296733791² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157296773791) 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, 26216122296 + ... + 26216122301.

It is an arithmetic number, because the mean of its divisors is an integer number (52432244598).

Almost surely, 2^157296733791 is an apocalyptic number.

157296733791 is a deficient number, since it is larger than the sum of its proper divisors (52432244601).

157296733791 is an equidigital number, since it uses as much as digits as its factorization.

157296733791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52432244600.

The product of its digits is 15002820, while the sum is 60.

The spelling of 157296733791 in words is "one hundred fifty-seven billion, two hundred ninety-six million, seven hundred thirty-three thousand, seven hundred ninety-one".