68372344683648 has 96 divisors (see below), whose sum is σ = 199973930118300. Its totient is φ = 22417162168320.

The previous prime is 68372344683647. The next prime is 68372344683673. The reversal of 68372344683648 is 84638644327386.

68372344683648 is a `hidden beast` number, since 6 + 8 + 3 + 72 + 34 + 468 + 3 + 64 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 64743136801344 + 3629207882304 = 8046312^2 + 1905048^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (68372344683647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 486413283 + ... + 486553826.

Almost surely, 2^{68372344683648} is an apocalyptic number.

It is an amenable number.

68372344683648 is an abundant number, since it is smaller than the sum of its proper divisors (131601585434652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68372344683648 is a wasteful number, since it uses less digits than its factorization.

68372344683648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972967190 (or 972967175 counting only the distinct ones).

The product of its digits is 2675441664, while the sum is 72.

The spelling of 68372344683648 in words is "sixty-eight trillion, three hundred seventy-two billion, three hundred forty-four million, six hundred eighty-three thousand, six hundred forty-eight".