68151652 has 6 divisors (see below), whose sum is σ = 119265398. Its totient is φ = 34075824.

The previous prime is 68151649. The next prime is 68151679. The reversal of 68151652 is 25615186.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 63107136 + 5044516 = 7944^2 + 2246^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8518953 + ... + 8518960.

Almost surely, 2^68151652 is an apocalyptic number.

It is an amenable number.

68151652 is a deficient number, since it is larger than the sum of its proper divisors (51113746).

68151652 is a wasteful number, since it uses less digits than its factorization.

68151652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17037917 (or 17037915 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

The square root of 68151652 is about 8255.4013833369. The cubic root of 68151652 is about 408.4687119445.

The spelling of 68151652 in words is "sixty-eight million, one hundred fifty-one thousand, six hundred fifty-two".