606643320 has 32 divisors (see below), whose sum is σ = 1819930320. Its totient is φ = 161771520.

The previous prime is 606643319. The next prime is 606643363. The reversal of 606643320 is 23346606.

It is a super-2 number, since 2×606643320² = 736032235401244800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2527561 + ... + 2527800.

Almost surely, 2^606643320 is an apocalyptic number.

606643320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

606643320 is an abundant number, since it is smaller than the sum of its proper divisors (1213287000).

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

606643320 is a wasteful number, since it uses less digits than its factorization.

606643320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055375 (or 5055371 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 606643320 is about 24630.1303285224. The cubic root of 606643320 is about 846.5341316783.

Adding to 606643320 its reverse (23346606), we get a palindrome (629989926).

The spelling of 606643320 in words is "six hundred six million, six hundred forty-three thousand, three hundred twenty".