68251560553 has 8 divisors (see below), whose sum is σ = 74461993056. Its totient is φ = 62042085600.

The previous prime is 68251560551. The next prime is 68251560571. The reversal of 68251560553 is 35506515286.

68251560553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68251560553 - 2¹ = 68251560551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68251560551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86076 + ... + 379357.

It is an arithmetic number, because the mean of its divisors is an integer number (9307749132).

Almost surely, 2^68251560553 is an apocalyptic number.

It is an amenable number.

68251560553 is a deficient number, since it is larger than the sum of its proper divisors (6210432503).

68251560553 is a wasteful number, since it uses less digits than its factorization.

68251560553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478775.

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 68251560553 in words is "sixty-eight billion, two hundred fifty-one million, five hundred sixty thousand, five hundred fifty-three".