68109610 has 32 divisors (see below), whose sum is σ = 126245952. Its totient is φ = 26440320.

The previous prime is 68109589. The next prime is 68109641. The reversal of 68109610 is 1690186.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115737 + ... + 116323.

It is an arithmetic number, because the mean of its divisors is an integer number (3945186).

Almost surely, 2^68109610 is an apocalyptic number.

68109610 is a deficient number, since it is larger than the sum of its proper divisors (58136342).

68109610 is a wasteful number, since it uses less digits than its factorization.

68109610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 68109610 is about 8252.8546576321. The cubic root of 68109610 is about 408.3847013909.

Adding to 68109610 its reverse (1690186), we get a palindrome (69799796).

The spelling of 68109610 in words is "sixty-eight million, one hundred nine thousand, six hundred ten".