157710671641 has 2 divisors, whose sum is σ = 157710671642. Its totient is φ = 157710671640.

The previous prime is 157710671633. The next prime is 157710671681. The reversal of 157710671641 is 146176017751.

157710671641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136633729600 + 21076942041 = 369640^2 + 145179^2 .

It is a cyclic number.

It is not a de Polignac number, because 157710671641 - 2³ = 157710671633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157710671591 and 157710671600.

It is not a weakly prime, because it can be changed into another prime (157710671621) 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 as a sum of consecutive naturals, namely, 78855335820 + 78855335821.

It is an arithmetic number, because the mean of its divisors is an integer number (78855335821).

Almost surely, 2^157710671641 is an apocalyptic number.

It is an amenable number.

157710671641 is a deficient number, since it is larger than the sum of its proper divisors (1).

157710671641 is an equidigital number, since it uses as much as digits as its factorization.

157710671641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 246960, while the sum is 46.

The spelling of 157710671641 in words is "one hundred fifty-seven billion, seven hundred ten million, six hundred seventy-one thousand, six hundred forty-one".