68147343462 has 64 divisors (see below), whose sum is σ = 154586234880. Its totient is φ = 19840701600.

The previous prime is 68147343461. The next prime is 68147343559. The reversal of 68147343462 is 26434374186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68147343461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164583 + ... + 404205.

It is an arithmetic number, because the mean of its divisors is an integer number (2415409920).

Almost surely, 2^68147343462 is an apocalyptic number.

68147343462 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 68147343462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77293117440).

68147343462 is an abundant number, since it is smaller than the sum of its proper divisors (86438891418).

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

68147343462 is a wasteful number, since it uses less digits than its factorization.

68147343462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239809.

The product of its digits is 2322432, while the sum is 48.

The spelling of 68147343462 in words is "sixty-eight billion, one hundred forty-seven million, three hundred forty-three thousand, four hundred sixty-two".