157792740693 has 8 divisors (see below), whose sum is σ = 240446081088. Its totient is φ = 90167280384.

The previous prime is 157792740683. The next prime is 157792740733. The reversal of 157792740693 is 396047297751.

157792740693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 157792740693 - 2⁸ = 157792740437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157792740683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3756969996 + ... + 3756970037.

It is an arithmetic number, because the mean of its divisors is an integer number (30055760136).

Almost surely, 2^157792740693 is an apocalyptic number.

It is an amenable number.

157792740693 is a deficient number, since it is larger than the sum of its proper divisors (82653340395).

157792740693 is an equidigital number, since it uses as much as digits as its factorization.

157792740693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7513940043.

The product of its (nonzero) digits is 20003760, while the sum is 60.

The spelling of 157792740693 in words is "one hundred fifty-seven billion, seven hundred ninety-two million, seven hundred forty thousand, six hundred ninety-three".