68455966 has 16 divisors (see below), whose sum is σ = 104943600. Its totient is φ = 33478848.

The previous prime is 68455943. The next prime is 68455973. The reversal of 68455966 is 66955486.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 42565 + ... + 44143.

It is an arithmetic number, because the mean of its divisors is an integer number (6558975).

Almost surely, 2^68455966 is an apocalyptic number.

68455966 is a deficient number, since it is larger than the sum of its proper divisors (36487634).

68455966 is a wasteful number, since it uses less digits than its factorization.

68455966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043.

The product of its digits is 1555200, while the sum is 49.

The square root of 68455966 is about 8273.8120597461. The cubic root of 68455966 is about 409.0757805793.

The spelling of 68455966 in words is "sixty-eight million, four hundred fifty-five thousand, nine hundred sixty-six".