68133423610 has 64 divisors (see below), whose sum is σ = 144488966400. Its totient is φ = 22649421312.

The previous prime is 68133423583. The next prime is 68133423619. The reversal of 68133423610 is 1632433186.

It is a self number, because there is not a number n which added to its sum of digits gives 68133423610.

It is not an unprimeable number, because it can be changed into a prime (68133423619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188496 + ... + 414484.

It is an arithmetic number, because the mean of its divisors is an integer number (2257640100).

Almost surely, 2^68133423610 is an apocalyptic number.

68133423610 is an abundant number, since it is smaller than the sum of its proper divisors (76355542790).

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

68133423610 is a wasteful number, since it uses less digits than its factorization.

68133423610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226135.

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 68133423610 its reverse (1632433186), we get a palindrome (69765856796).

The spelling of 68133423610 in words is "sixty-eight billion, one hundred thirty-three million, four hundred twenty-three thousand, six hundred ten".