68654164 has 12 divisors (see below), whose sum is σ = 121791124. Its totient is φ = 33856704.

The previous prime is 68654147. The next prime is 68654189. The reversal of 68654164 is 46145686.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30338064 + 38316100 = 5508^2 + 6190^2 .

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 117267 + ... + 117850.

Almost surely, 2^68654164 is an apocalyptic number.

It is an amenable number.

68654164 is a deficient number, since it is larger than the sum of its proper divisors (53136960).

68654164 is a wasteful number, since it uses less digits than its factorization.

68654164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235194 (or 235192 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 68654164 is about 8285.7808322451. The cubic root of 68654164 is about 409.4701941201.

The spelling of 68654164 in words is "sixty-eight million, six hundred fifty-four thousand, one hundred sixty-four".