606765643 has 8 divisors (see below), whose sum is σ = 664566336. Its totient is φ = 549405000.

The previous prime is 606765631. The next prime is 606765659. The reversal of 606765643 is 346567606.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606765643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 606765643.

It is not an unprimeable number, because it can be changed into a prime (606765143) by changing a digit.

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, 107121 + ... + 112642.

It is an arithmetic number, because the mean of its divisors is an integer number (83070792).

Almost surely, 2^606765643 is an apocalyptic number.

606765643 is a deficient number, since it is larger than the sum of its proper divisors (57800693).

606765643 is a wasteful number, since it uses less digits than its factorization.

606765643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220025.

The product of its (nonzero) digits is 544320, while the sum is 43.

The square root of 606765643 is about 24632.6134017485. The cubic root of 606765643 is about 846.5910259751.

The spelling of 606765643 in words is "six hundred six million, seven hundred sixty-five thousand, six hundred forty-three".