605940664 has 48 divisors (see below), whose sum is σ = 1324135080. Its totient is φ = 259197120.

The previous prime is 605940659. The next prime is 605940689. The reversal of 605940664 is 466049506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269754 + ... + 271990.

Almost surely, 2^605940664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 605940664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (662067540).

605940664 is an abundant number, since it is smaller than the sum of its proper divisors (718194416).

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

605940664 is a wasteful number, since it uses less digits than its factorization.

605940664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948 (or 2937 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 605940664 is about 24615.8620405624. The cubic root of 605940664 is about 846.2071673980.

The spelling of 605940664 in words is "six hundred five million, nine hundred forty thousand, six hundred sixty-four".