68851213966 has 32 divisors (see below), whose sum is σ = 109965081600. Its totient is φ = 32263614240.

The previous prime is 68851213933. The next prime is 68851213973. The reversal of 68851213966 is 66931215886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403740 + ... + 548368.

It is an arithmetic number, because the mean of its divisors is an integer number (3436408800).

Almost surely, 2^68851213966 is an apocalyptic number.

68851213966 is a deficient number, since it is larger than the sum of its proper divisors (41113867634).

68851213966 is a wasteful number, since it uses less digits than its factorization.

68851213966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144864.

The product of its digits is 3732480, while the sum is 55.

The spelling of 68851213966 in words is "sixty-eight billion, eight hundred fifty-one million, two hundred thirteen thousand, nine hundred sixty-six".