68267502621633 has 24 divisors (see below), whose sum is σ = 106039318179168. Its totient is φ = 38952885772416.

The previous prime is 68267502621623. The next prime is 68267502621671. The reversal of 68267502621633 is 33612620576286.

It is a happy number.

68267502621633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 68267502621633 - 2⁶ = 68267502621569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68267502621623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339873816 + ... + 340074617.

It is an arithmetic number, because the mean of its divisors is an integer number (4418304924132).

Almost surely, 2^{68267502621633} is an apocalyptic number.

It is an amenable number.

68267502621633 is a deficient number, since it is larger than the sum of its proper divisors (37771815557535).

68267502621633 is a wasteful number, since it uses less digits than its factorization.

68267502621633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679949133 (or 679949126 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 57.

The spelling of 68267502621633 in words is "sixty-eight trillion, two hundred sixty-seven billion, five hundred two million, six hundred twenty-one thousand, six hundred thirty-three".