68851545084 has 72 divisors (see below), whose sum is σ = 198958218368. Its totient is φ = 19666553760.

The previous prime is 68851545023. The next prime is 68851545107. The reversal of 68851545084 is 48054515886.

68851545084 is a `hidden beast` number, since 6 + 8 + 8 + 515 + 45 + 0 + 84 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 68851545084.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 949599 + ... + 1019529.

Almost surely, 2^68851545084 is an apocalyptic number.

It is an amenable number.

68851545084 is an abundant number, since it is smaller than the sum of its proper divisors (130106673284).

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

68851545084 is a wasteful number, since it uses less digits than its factorization.

68851545084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73855 (or 73850 counting only the distinct ones).

The product of its (nonzero) digits is 6144000, while the sum is 54.

The spelling of 68851545084 in words is "sixty-eight billion, eight hundred fifty-one million, five hundred forty-five thousand, eighty-four".