68309142546132 has 72 divisors (see below), whose sum is σ = 174531474673920. Its totient is φ = 22525454770560.

The previous prime is 68309142546013. The next prime is 68309142546149. The reversal of 68309142546132 is 23164524190386.

It is a happy number.

68309142546132 is a `hidden beast` number, since 6 + 8 + 3 + 0 + 9 + 14 + 2 + 5 + 4 + 613 + 2 = 666.

It is a super-2 number, since 2×68309142546132² (a number of 28 digits) contains 22 as substring.

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, 22883748 + ... + 25695995.

It is an arithmetic number, because the mean of its divisors is an integer number (2424048259360).

Almost surely, 2^{68309142546132} is an apocalyptic number.

It is an amenable number.

68309142546132 is an abundant number, since it is smaller than the sum of its proper divisors (106222332127788).

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

68309142546132 is a wasteful number, since it uses less digits than its factorization.

68309142546132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48580173 (or 48580168 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 68309142546132 in words is "sixty-eight trillion, three hundred nine billion, one hundred forty-two million, five hundred forty-six thousand, one hundred thirty-two".