157665061343 has 2 divisors, whose sum is σ = 157665061344. Its totient is φ = 157665061342.

The previous prime is 157665061303. The next prime is 157665061373. The reversal of 157665061343 is 343160566751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157665061343 - 2⁸ = 157665061087 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157665061303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78832530671 + 78832530672.

It is an arithmetic number, because the mean of its divisors is an integer number (78832530672).

Almost surely, 2^157665061343 is an apocalyptic number.

157665061343 is a deficient number, since it is larger than the sum of its proper divisors (1).

157665061343 is an equidigital number, since it uses as much as digits as its factorization.

157665061343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 157665061343 in words is "one hundred fifty-seven billion, six hundred sixty-five million, sixty-one thousand, three hundred forty-three".