68413516 has 12 divisors (see below), whose sum is σ = 122508232. Its totient is φ = 33411168.

The previous prime is 68413507. The next prime is 68413517. The reversal of 68413516 is 61531486.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68413517) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 198705 + ... + 199048.

Almost surely, 2^68413516 is an apocalyptic number.

It is an amenable number.

68413516 is a deficient number, since it is larger than the sum of its proper divisors (54094716).

68413516 is a wasteful number, since it uses less digits than its factorization.

68413516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397800 (or 397798 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 68413516 is about 8271.2463389746. The cubic root of 68413516 is about 408.9912062241.

The spelling of 68413516 in words is "sixty-eight million, four hundred thirteen thousand, five hundred sixteen".