157660764133 has 2 divisors, whose sum is σ = 157660764134. Its totient is φ = 157660764132.

The previous prime is 157660764127. The next prime is 157660764211. The reversal of 157660764133 is 331467066751.

157660764133 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., 103955946084 + 53704818049 = 322422^2 + 231743^2 .

It is a cyclic number.

It is not a de Polignac number, because 157660764133 - 2⁹ = 157660763621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157660764103) 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, 78830382066 + 78830382067.

It is an arithmetic number, because the mean of its divisors is an integer number (78830382067).

Almost surely, 2^157660764133 is an apocalyptic number.

It is an amenable number.

157660764133 is a deficient number, since it is larger than the sum of its proper divisors (1).

157660764133 is an equidigital number, since it uses as much as digits as its factorization.

157660764133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 157660764133 in words is "one hundred fifty-seven billion, six hundred sixty million, seven hundred sixty-four thousand, one hundred thirty-three".