601644864 has 56 divisors (see below), whose sum is σ = 1634894368. Its totient is φ = 195125760.

The previous prime is 601644851. The next prime is 601644871. The reversal of 601644864 is 468446106.

601644864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35242 + ... + 49449.

Almost surely, 2^601644864 is an apocalyptic number.

601644864 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

601644864 is an abundant number, since it is smaller than the sum of its proper divisors (1033249504).

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

601644864 is a wasteful number, since it uses less digits than its factorization.

601644864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84743 (or 84733 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 601644864 is about 24528.4500937177. The cubic root of 601644864 is about 844.2027020753.

The spelling of 601644864 in words is "six hundred one million, six hundred forty-four thousand, eight hundred sixty-four".