68207020016 has 40 divisors (see below), whose sum is σ = 140635083600. Its totient is φ = 31934465024.

The previous prime is 68207019989. The next prime is 68207020027. The reversal of 68207020016 is 61002070286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582866 + ... + 690033.

It is an arithmetic number, because the mean of its divisors is an integer number (3515877090).

Almost surely, 2^68207020016 is an apocalyptic number.

It is an amenable number.

68207020016 is an abundant number, since it is smaller than the sum of its proper divisors (72428063584).

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

68207020016 is a wasteful number, since it uses less digits than its factorization.

68207020016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273121 (or 1273115 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 68207020016 in words is "sixty-eight billion, two hundred seven million, twenty thousand, sixteen".