656006072 has 16 divisors (see below), whose sum is σ = 1256182560. Its totient is φ = 321024064.

The previous prime is 656006059. The next prime is 656006089. The reversal of 656006072 is 270600656.

It is a super-3 number, since 3×656006072³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871973 + ... + 872724.

It is an arithmetic number, because the mean of its divisors is an integer number (78511410).

Almost surely, 2^656006072 is an apocalyptic number.

It is an amenable number.

656006072 is a deficient number, since it is larger than the sum of its proper divisors (600176488).

656006072 is a wasteful number, since it uses less digits than its factorization.

656006072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744750 (or 1744746 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 656006072 is about 25612.6154853424. The cubic root of 656006072 is about 868.8989780084.

The spelling of 656006072 in words is "six hundred fifty-six million, six thousand, seventy-two".