68396555372 has 12 divisors (see below), whose sum is σ = 121136068536. Its totient is φ = 33786250080.

The previous prime is 68396555351. The next prime is 68396555393. The reversal of 68396555372 is 27355569386.

It is an interprime number because it is at equal distance from previous prime (68396555351) and next prime (68396555393).

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 3 ways as a sum of consecutive naturals, for example, 103006529 + ... + 103007192.

It is an arithmetic number, because the mean of its divisors is an integer number (10094672378).

Almost surely, 2^68396555372 is an apocalyptic number.

It is an amenable number.

68396555372 is a deficient number, since it is larger than the sum of its proper divisors (52739513164).

68396555372 is a wasteful number, since it uses less digits than its factorization.

68396555372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206013808 (or 206013806 counting only the distinct ones).

The product of its digits is 40824000, while the sum is 59.

The spelling of 68396555372 in words is "sixty-eight billion, three hundred ninety-six million, five hundred fifty-five thousand, three hundred seventy-two".