263276210740161 has 8 divisors (see below), whose sum is σ = 351050855429664. Its totient is φ = 175509519938720.

The previous prime is 263276210740159. The next prime is 263276210740171. The reversal of 263276210740161 is 161047012672362.

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

It is a cyclic number.

It is not a de Polignac number, because 263276210740161 - 2¹ = 263276210740159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 263276210740161.

It is not an unprimeable number, because it can be changed into a prime (263276210740171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1988394780 + ... + 1988527181.

It is an arithmetic number, because the mean of its divisors is an integer number (43881356928708).

Almost surely, 2^{263276210740161} is an apocalyptic number.

It is an amenable number.

263276210740161 is a deficient number, since it is larger than the sum of its proper divisors (87774644689503).

263276210740161 is a wasteful number, since it uses less digits than its factorization.

263276210740161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3976944031.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 263276210740161 in words is "two hundred sixty-three trillion, two hundred seventy-six billion, two hundred ten million, seven hundred forty thousand, one hundred sixty-one".