426664606 has 16 divisors (see below), whose sum is σ = 678600720. Its totient is φ = 200499840.

The previous prime is 426664597. The next prime is 426664621. The reversal of 426664606 is 606466624.

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, 16636 + ... + 33616.

It is an arithmetic number, because the mean of its divisors is an integer number (42412545).

Almost surely, 2^426664606 is an apocalyptic number.

426664606 is a deficient number, since it is larger than the sum of its proper divisors (251936114).

426664606 is a wasteful number, since it uses less digits than its factorization.

426664606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17739.

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 426664606 is about 20655.8612989146. The cubic root of 426664606 is about 752.8276111269.

The spelling of 426664606 in words is "four hundred twenty-six million, six hundred sixty-four thousand, six hundred six".