68458148121 has 32 divisors (see below), whose sum is σ = 101814755328. Its totient is φ = 40558855040.

The previous prime is 68458148111. The next prime is 68458148137. The reversal of 68458148121 is 12184185486.

It is not a de Polignac number, because 68458148121 - 2⁹ = 68458147609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68458148111) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1303456 + ... + 1354958.

It is an arithmetic number, because the mean of its divisors is an integer number (3181711104).

Almost surely, 2^68458148121 is an apocalyptic number.

It is an amenable number.

68458148121 is a deficient number, since it is larger than the sum of its proper divisors (33356607207).

68458148121 is a wasteful number, since it uses less digits than its factorization.

68458148121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52421.

The product of its digits is 491520, while the sum is 48.

The spelling of 68458148121 in words is "sixty-eight billion, four hundred fifty-eight million, one hundred forty-eight thousand, one hundred twenty-one".