68659654 has 16 divisors (see below), whose sum is σ = 123897600. Its totient is φ = 27876744.

The previous prime is 68659631. The next prime is 68659663. The reversal of 68659654 is 45695686.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68659598 and 68659607.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 128794 + ... + 129325.

It is an arithmetic number, because the mean of its divisors is an integer number (7743600).

Almost surely, 2^68659654 is an apocalyptic number.

68659654 is a deficient number, since it is larger than the sum of its proper divisors (55237946).

68659654 is a wasteful number, since it uses less digits than its factorization.

68659654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258147.

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

The square root of 68659654 is about 8286.1121160650. The cubic root of 68659654 is about 409.4811083959.

The spelling of 68659654 in words is "sixty-eight million, six hundred fifty-nine thousand, six hundred fifty-four".