263032255165660 has 96 divisors (see below), whose sum is σ = 591600976404480. Its totient is φ = 97886568772608.

The previous prime is 263032255165649. The next prime is 263032255165661. The reversal of 263032255165660 is 66561552230362.

It is a junction number, because it is equal to n+sod(n) for n = 263032255165598 and 263032255165607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263032255165661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9036021 + ... + 24651859.

It is an arithmetic number, because the mean of its divisors is an integer number (6162510170880).

Almost surely, 2^{263032255165660} is an apocalyptic number.

263032255165660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263032255165660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295800488202240).

263032255165660 is an abundant number, since it is smaller than the sum of its proper divisors (328568721238820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263032255165660 is a wasteful number, since it uses less digits than its factorization.

263032255165660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15616435 (or 15616433 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 52.

The spelling of 263032255165660 in words is "two hundred sixty-three trillion, thirty-two billion, two hundred fifty-five million, one hundred sixty-five thousand, six hundred sixty".