68453616 has 80 divisors (see below), whose sum is σ = 220485888. Its totient is φ = 17779200.

The previous prime is 68453603. The next prime is 68453617. The reversal of 68453616 is 61635486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68453617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5565 + ... + 12956.

Almost surely, 2^68453616 is an apocalyptic number.

68453616 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

68453616 is an abundant number, since it is smaller than the sum of its proper divisors (152032272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68453616 is a wasteful number, since it uses less digits than its factorization.

68453616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18550 (or 18544 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 68453616 is about 8273.6700441823. The cubic root of 68453616 is about 409.0710995211.

The spelling of 68453616 in words is "sixty-eight million, four hundred fifty-three thousand, six hundred sixteen".