606516660 has 120 divisors (see below), whose sum is σ = 1920996000. Its totient is φ = 160180416.

The previous prime is 606516641. The next prime is 606516679. The reversal of 606516660 is 66615606.

It is an interprime number because it is at equal distance from previous prime (606516641) and next prime (606516679).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 171591 + ... + 175089.

It is an arithmetic number, because the mean of its divisors is an integer number (16008300).

Almost surely, 2^606516660 is an apocalyptic number.

606516660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 606516660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (960498000).

606516660 is an abundant number, since it is smaller than the sum of its proper divisors (1314479340).

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

606516660 is a wasteful number, since it uses less digits than its factorization.

606516660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627 (or 3616 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 606516660 is about 24627.5589533352. The cubic root of 606516660 is about 846.4752121162.

The spelling of 606516660 in words is "six hundred six million, five hundred sixteen thousand, six hundred sixty".