426168916 has 6 divisors (see below), whose sum is σ = 745795610. Its totient is φ = 213084456.

The previous prime is 426168913. The next prime is 426168929. The reversal of 426168916 is 619861624.

It can be written as a sum of positive squares in only one way, i.e., 334890000 + 91278916 = 18300^2 + 9554^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426168913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53271111 + ... + 53271118.

Almost surely, 2^426168916 is an apocalyptic number.

It is an amenable number.

426168916 is a deficient number, since it is larger than the sum of its proper divisors (319626694).

426168916 is a wasteful number, since it uses less digits than its factorization.

426168916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106542233 (or 106542231 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 426168916 is about 20643.8590384647. The cubic root of 426168916 is about 752.5359583704.

The spelling of 426168916 in words is "four hundred twenty-six million, one hundred sixty-eight thousand, nine hundred sixteen".