263531102675456 has 160 divisors (see below), whose sum is σ = 656492907514752. Its totient is φ = 102671623618560.

The previous prime is 263531102675443. The next prime is 263531102675461. The reversal of 263531102675456 is 654576201135362.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1955244740 + ... + 1955379516.

Almost surely, 2^{263531102675456} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263531102675456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328246453757376).

263531102675456 is an abundant number, since it is smaller than the sum of its proper divisors (392961804839296).

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

263531102675456 is a wasteful number, since it uses less digits than its factorization.

263531102675456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184410 (or 184394 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 56.

The spelling of 263531102675456 in words is "two hundred sixty-three trillion, five hundred thirty-one billion, one hundred two million, six hundred seventy-five thousand, four hundred fifty-six".