606649680 has 480 divisors, whose sum is σ = 2573835264. Its totient is φ = 124637184.

The previous prime is 606649657. The next prime is 606649717. The reversal of 606649680 is 86946606.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3079342 + ... + 3079538.

Almost surely, 2^606649680 is an apocalyptic number.

606649680 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 606649680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1286917632).

606649680 is an abundant number, since it is smaller than the sum of its proper divisors (1967185584).

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

606649680 is a wasteful number, since it uses less digits than its factorization.

606649680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 606649680 is about 24630.2594383413. The cubic root of 606649680 is about 846.5370899999.

The spelling of 606649680 in words is "six hundred six million, six hundred forty-nine thousand, six hundred eighty".