68162863748 has 36 divisors (see below), whose sum is σ = 138906099612. Its totient is φ = 29181922560.

The previous prime is 68162863721. The next prime is 68162863751. The reversal of 68162863748 is 84736826186.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18037027204 + 50125836544 = 134302^2 + 223888^2 .

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 11 ways as a sum of consecutive naturals, for example, 4328 + ... + 369248.

It is an arithmetic number, because the mean of its divisors is an integer number (3858502767).

Almost surely, 2^68162863748 is an apocalyptic number.

It is an amenable number.

68162863748 is an abundant number, since it is smaller than the sum of its proper divisors (70743235864).

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

68162863748 is a wasteful number, since it uses less digits than its factorization.

68162863748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365892 (or 365883 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 59.

The spelling of 68162863748 in words is "sixty-eight billion, one hundred sixty-two million, eight hundred sixty-three thousand, seven hundred forty-eight".