4156564 has 12 divisors (see below), whose sum is σ = 7293888. Its totient is φ = 2072600.

The previous prime is 4156561. The next prime is 4156571. The reversal of 4156564 is 4656514.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4156561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519 + ... + 2929.

It is an arithmetic number, because the mean of its divisors is an integer number (607824).

Almost surely, 2^4156564 is an apocalyptic number.

It is an amenable number.

4156564 is a deficient number, since it is larger than the sum of its proper divisors (3137324).

4156564 is a wasteful number, since it uses less digits than its factorization.

4156564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846 (or 2844 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 4156564 is about 2038.7653126341. The cubic root of 4156564 is about 160.7847386158.

The spelling of 4156564 in words is "four million, one hundred fifty-six thousand, five hundred sixty-four".