68116946 has 4 divisors (see below), whose sum is σ = 102175422. Its totient is φ = 34058472.

The previous prime is 68116913. The next prime is 68116973. The reversal of 68116946 is 64961186.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64961186 = 2 ⋅32480593.

It can be written as a sum of positive squares in only one way, i.e., 62236321 + 5880625 = 7889^2 + 2425^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17029235 + ... + 17029238.

Almost surely, 2^68116946 is an apocalyptic number.

68116946 is a deficient number, since it is larger than the sum of its proper divisors (34058476).

68116946 is a wasteful number, since it uses less digits than its factorization.

68116946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34058475.

The product of its digits is 62208, while the sum is 41.

The square root of 68116946 is about 8253.2990979365. The cubic root of 68116946 is about 408.3993630645.

The spelling of 68116946 in words is "sixty-eight million, one hundred sixteen thousand, nine hundred forty-six".