140163424166501 has 2 divisors, whose sum is σ = 140163424166502. Its totient is φ = 140163424166500.

The previous prime is 140163424166497. The next prime is 140163424166537. The reversal of 140163424166501 is 105661424361041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125439328000900 + 14724096165601 = 11199970^2 + 3837199^2 .

It is a cyclic number.

It is not a de Polignac number, because 140163424166501 - 2² = 140163424166497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140163424166551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70081712083250 + 70081712083251.

It is an arithmetic number, because the mean of its divisors is an integer number (70081712083251).

Almost surely, 2^{140163424166501} is an apocalyptic number.

It is an amenable number.

140163424166501 is a deficient number, since it is larger than the sum of its proper divisors (1).

140163424166501 is an equidigital number, since it uses as much as digits as its factorization.

140163424166501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 140163424166501 in words is "one hundred forty trillion, one hundred sixty-three billion, four hundred twenty-four million, one hundred sixty-six thousand, five hundred one".