68008373553 has 16 divisors (see below), whose sum is σ = 91288544256. Its totient is φ = 45034268160.

The previous prime is 68008373549. The next prime is 68008373557. The reversal of 68008373553 is 35537380086.

It is an interprime number because it is at equal distance from previous prime (68008373549) and next prime (68008373557).

It is not a de Polignac number, because 68008373553 - 2² = 68008373549 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68008373557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297451 + ... + 473807.

It is an arithmetic number, because the mean of its divisors is an integer number (5705534016).

Almost surely, 2^68008373553 is an apocalyptic number.

It is an amenable number.

68008373553 is a deficient number, since it is larger than the sum of its proper divisors (23280170703).

68008373553 is a wasteful number, since it uses less digits than its factorization.

68008373553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177224.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 68008373553 in words is "sixty-eight billion, eight million, three hundred seventy-three thousand, five hundred fifty-three".