263216706672 has 40 divisors (see below), whose sum is σ = 680274879760. Its totient is φ = 87700400640.

The previous prime is 263216706659. The next prime is 263216706673. The reversal of 263216706672 is 276607612362.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263216706673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1092547 + ... + 1311522.

It is an arithmetic number, because the mean of its divisors is an integer number (17006871994).

Almost surely, 2^263216706672 is an apocalyptic number.

It is an amenable number.

263216706672 is an abundant number, since it is smaller than the sum of its proper divisors (417058173088).

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

263216706672 is a wasteful number, since it uses less digits than its factorization.

263216706672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406361 (or 2406355 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 263216706672 in words is "two hundred sixty-three billion, two hundred sixteen million, seven hundred six thousand, six hundred seventy-two".