263161414652501 has 8 divisors (see below), whose sum is σ = 278699681603160. Its totient is φ = 247629612561408.

The previous prime is 263161414652441. The next prime is 263161414652509. The reversal of 263161414652501 is 105256414161362.

It can be written as a sum of positive squares in 4 ways, for example, as 4384291576900 + 258777123075601 = 2093870^2 + 16086551^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263161414652501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263161414652509) 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 in 7 ways as a sum of consecutive naturals, for example, 1616131076 + ... + 1616293901.

It is an arithmetic number, because the mean of its divisors is an integer number (34837460200395).

Almost surely, 2^{263161414652501} is an apocalyptic number.

It is an amenable number.

263161414652501 is a deficient number, since it is larger than the sum of its proper divisors (15538266950659).

263161414652501 is a wasteful number, since it uses less digits than its factorization.

263161414652501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232429783.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 263161414652501 in words is "two hundred sixty-three trillion, one hundred sixty-one billion, four hundred fourteen million, six hundred fifty-two thousand, five hundred one".