536663556 has 243 divisors, whose sum is σ = 1676640693. Its totient is φ = 150115680.

The previous prime is 536663539. The next prime is 536663557. The reversal of 536663556 is 655366635.

The square root of 536663556 is 23166.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 79388100 + 457275456 = 8910^2 + 21384^2 .

It is a tau number, because it is divible by the number of its divisors (243).

It is not an unprimeable number, because it can be changed into a prime (536663557) by changing a digit.

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 80 ways as a sum of consecutive naturals, for example, 41281806 + ... + 41281818.

Almost surely, 2^536663556 is an apocalyptic number.

536663556 is the 23166-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 536663556

536663556 is an abundant number, since it is smaller than the sum of its proper divisors (1139977137).

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

536663556 is a wasteful number, since it uses less digits than its factorization.

536663556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 29 counting only the distinct ones).

The product of its digits is 1458000, while the sum is 45.

The cubic root of 536663556 is about 812.6446888991.

The spelling of 536663556 in words is "five hundred thirty-six million, six hundred sixty-three thousand, five hundred fifty-six".