68518016 has 32 divisors (see below), whose sum is σ = 156002880. Its totient is φ = 29364480.

The previous prime is 68518001. The next prime is 68518027. The reversal of 68518016 is 61081586.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37340 + ... + 39131.

It is an arithmetic number, because the mean of its divisors is an integer number (4875090).

Almost surely, 2^68518016 is an apocalyptic number.

It is an amenable number.

68518016 is an abundant number, since it is smaller than the sum of its proper divisors (87484864).

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

68518016 is an equidigital number, since it uses as much as digits as its factorization.

68518016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76492 (or 76480 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 68518016 is about 8277.5609934328. The cubic root of 68518016 is about 409.1993416958.

The spelling of 68518016 in words is "sixty-eight million, five hundred eighteen thousand, sixteen".