68416146 has 24 divisors (see below), whose sum is σ = 148460364. Its totient is φ = 22770720.

The previous prime is 68416141. The next prime is 68416147. The reversal of 68416146 is 64161486.

It can be written as a sum of positive squares in 2 ways, for example, as 62583921 + 5832225 = 7911^2 + 2415^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68416146.

It is not an unprimeable number, because it can be changed into a prime (68416141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11116 + ... + 16136.

Almost surely, 2^68416146 is an apocalyptic number.

68416146 is an abundant number, since it is smaller than the sum of its proper divisors (80044218).

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

68416146 is a wasteful number, since it uses less digits than its factorization.

68416146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5786 (or 5783 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 68416146 is about 8271.4053219510. The cubic root of 68416146 is about 408.9964470651.

The spelling of 68416146 in words is "sixty-eight million, four hundred sixteen thousand, one hundred forty-six".