68263616 has 14 divisors (see below), whose sum is σ = 135460740. Its totient is φ = 34131776.

The previous prime is 68263571. The next prime is 68263633. The reversal of 68263616 is 61636286.

It is a self number, because there is not a number n which added to its sum of digits gives 68263616.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533246 + ... + 533373.

Almost surely, 2^68263616 is an apocalyptic number.

It is an amenable number.

68263616 is a deficient number, since it is larger than the sum of its proper divisors (67197124).

68263616 is a wasteful number, since it uses less digits than its factorization.

68263616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066631 (or 1066621 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 68263616 is about 8262.1798576405. The cubic root of 68263616 is about 408.6922759498.

The spelling of 68263616 in words is "sixty-eight million, two hundred sixty-three thousand, six hundred sixteen".