263103747456 has 96 divisors (see below), whose sum is σ = 768178819800. Its totient is φ = 79728394240.

The previous prime is 263103747343. The next prime is 263103747461. The reversal of 263103747456 is 654747301362.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2784801 + ... + 2877728.

Almost surely, 2^263103747456 is an apocalyptic number.

It is an amenable number.

263103747456 is an abundant number, since it is smaller than the sum of its proper divisors (505075072344).

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

263103747456 is a wasteful number, since it uses less digits than its factorization.

263103747456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5662568 (or 5662545 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 263103747456 in words is "two hundred sixty-three billion, one hundred three million, seven hundred forty-seven thousand, four hundred fifty-six".