157763073661 has 2 divisors, whose sum is σ = 157763073662. Its totient is φ = 157763073660.

The previous prime is 157763073607. The next prime is 157763073667. The reversal of 157763073661 is 166370367751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157763073636 + 25 = 397194^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 157763073661 - 2²⁵ = 157729519229 is a prime.

It is a super-2 number, since 2×157763073661² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157763073599 and 157763073608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157763073667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78881536830 + 78881536831.

It is an arithmetic number, because the mean of its divisors is an integer number (78881536831).

Almost surely, 2^157763073661 is an apocalyptic number.

It is an amenable number.

157763073661 is a deficient number, since it is larger than the sum of its proper divisors (1).

157763073661 is an equidigital number, since it uses as much as digits as its factorization.

157763073661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3333960, while the sum is 52.

The spelling of 157763073661 in words is "one hundred fifty-seven billion, seven hundred sixty-three million, seventy-three thousand, six hundred sixty-one".