606666973320 has 160 divisors (see below), whose sum is σ = 2039406324120. Its totient is φ = 161751582720.

The previous prime is 606666973303. The next prime is 606666973373. The reversal of 606666973320 is 23379666606.

It can be written as a sum of positive squares in 4 ways, for example, as 209971067076 + 396695906244 = 458226^2 + 629838^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27765600 + ... + 27787440.

Almost surely, 2^606666973320 is an apocalyptic number.

606666973320 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 606666973320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1019703162060).

606666973320 is an abundant number, since it is smaller than the sum of its proper divisors (1432739350800).

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

606666973320 is a wasteful number, since it uses less digits than its factorization.

606666973320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30437 (or 30424 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 54.

The spelling of 606666973320 in words is "six hundred six billion, six hundred sixty-six million, nine hundred seventy-three thousand, three hundred twenty".