649351606 has 8 divisors (see below), whose sum is σ = 1005447744. Its totient is φ = 314202360.

The previous prime is 649351603. The next prime is 649351607. The reversal of 649351606 is 606153946.

649351606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649351603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5236645 + ... + 5236768.

It is an arithmetic number, because the mean of its divisors is an integer number (125680968).

Almost surely, 2^649351606 is an apocalyptic number.

649351606 is a deficient number, since it is larger than the sum of its proper divisors (356096138).

649351606 is a wasteful number, since it uses less digits than its factorization.

649351606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10473446.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 649351606 is about 25482.3783426901. The cubic root of 649351606 is about 865.9509765712.

The spelling of 649351606 in words is "six hundred forty-nine million, three hundred fifty-one thousand, six hundred six".