140163424166257 has 2 divisors, whose sum is σ = 140163424166258. Its totient is φ = 140163424166256.

The previous prime is 140163424166239. The next prime is 140163424166261. The reversal of 140163424166257 is 752661424361041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105914231263296 + 34249192902961 = 10291464^2 + 5852281^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140163424166257 is a prime.

It is not a weakly prime, because it can be changed into another prime (140163424166357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70081712083128 + 70081712083129.

It is an arithmetic number, because the mean of its divisors is an integer number (70081712083129).

Almost surely, 2^{140163424166257} is an apocalyptic number.

It is an amenable number.

140163424166257 is a deficient number, since it is larger than the sum of its proper divisors (1).

140163424166257 is an equidigital number, since it uses as much as digits as its factorization.

140163424166257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 140163424166257 in words is "one hundred forty trillion, one hundred sixty-three billion, four hundred twenty-four million, one hundred sixty-six thousand, two hundred fifty-seven".