263841670968 has 16 divisors (see below), whose sum is σ = 659604177480. Its totient is φ = 87947223648.

The previous prime is 263841670949. The next prime is 263841670993. The reversal of 263841670968 is 869076148362.

It is a super-2 number, since 2×263841670968² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5496701455 + ... + 5496701502.

Almost surely, 2^263841670968 is an apocalyptic number.

It is an amenable number.

263841670968 is an abundant number, since it is smaller than the sum of its proper divisors (395762506512).

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

263841670968 is a wasteful number, since it uses less digits than its factorization.

263841670968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10993402966 (or 10993402962 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 263841670968 in words is "two hundred sixty-three billion, eight hundred forty-one million, six hundred seventy thousand, nine hundred sixty-eight".