68194261368 has 32 divisors (see below), whose sum is σ = 189428504400. Its totient is φ = 22731420384.

The previous prime is 68194261367. The next prime is 68194261427. The reversal of 68194261368 is 86316249186.

68194261368 is a `hidden beast` number, since 6 + 8 + 19 + 4 + 2 + 613 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68194261367) 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, 157856871 + ... + 157857302.

Almost surely, 2^68194261368 is an apocalyptic number.

It is an amenable number.

68194261368 is an abundant number, since it is smaller than the sum of its proper divisors (121234243032).

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

68194261368 is a wasteful number, since it uses less digits than its factorization.

68194261368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315714188 (or 315714178 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The spelling of 68194261368 in words is "sixty-eight billion, one hundred ninety-four million, two hundred sixty-one thousand, three hundred sixty-eight".