68101245644553 has 48 divisors (see below), whose sum is σ = 107529024325632. Its totient is φ = 41189721804000.

The previous prime is 68101245644539. The next prime is 68101245644563. The reversal of 68101245644553 is 35544654210186.

68101245644553 is a `hidden beast` number, since 6 + 8 + 1 + 0 + 1 + 2 + 45 + 6 + 44 + 553 = 666.

68101245644553 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 68101245644553 - 2⁸ = 68101245644297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68101245644553.

It is not an unprimeable number, because it can be changed into a prime (68101245644503) 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 47 ways as a sum of consecutive naturals, for example, 109881648 + ... + 110499678.

It is an arithmetic number, because the mean of its divisors is an integer number (2240188006784).

Almost surely, 2^{68101245644553} is an apocalyptic number.

It is an amenable number.

68101245644553 is a deficient number, since it is larger than the sum of its proper divisors (39427778681079).

68101245644553 is a wasteful number, since it uses less digits than its factorization.

68101245644553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620306 (or 620303 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 54.

The spelling of 68101245644553 in words is "sixty-eight trillion, one hundred one billion, two hundred forty-five million, six hundred forty-four thousand, five hundred fifty-three".