68307867131146 has 16 divisors (see below), whose sum is σ = 102625074252360. Its totient is φ = 34099512606720.

The previous prime is 68307867131129. The next prime is 68307867131177. The reversal of 68307867131146 is 64113176870386.

It can be written as a sum of positive squares in 4 ways, for example, as 68298472675521 + 9394455625 = 8264289^2 + 96925^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38186890 + ... + 39935626.

Almost surely, 2^{68307867131146} is an apocalyptic number.

68307867131146 is a deficient number, since it is larger than the sum of its proper divisors (34317207121214).

68307867131146 is a wasteful number, since it uses less digits than its factorization.

68307867131146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779849.

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 68307867131146 in words is "sixty-eight trillion, three hundred seven billion, eight hundred sixty-seven million, one hundred thirty-one thousand, one hundred forty-six".