263318566054 has 16 divisors (see below), whose sum is σ = 403397019648. Its totient is φ = 128853106632.

The previous prime is 263318566001. The next prime is 263318566079. The reversal of 263318566054 is 450665813362.

263318566054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×263318566054² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 263318565989 and 263318566007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4307467 + ... + 4368169.

It is an arithmetic number, because the mean of its divisors is an integer number (25212313728).

Almost surely, 2^263318566054 is an apocalyptic number.

263318566054 is a deficient number, since it is larger than the sum of its proper divisors (140078453594).

263318566054 is a wasteful number, since it uses less digits than its factorization.

263318566054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106899.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 263318566054 in words is "two hundred sixty-three billion, three hundred eighteen million, five hundred sixty-six thousand, fifty-four".