536445563616 has 144 divisors (see below), whose sum is σ = 1582681424688. Its totient is φ = 178740172800.

The previous prime is 536445563609. The next prime is 536445563629. The reversal of 536445563616 is 616365544635.

536445563616 is a `hidden beast` number, since 5 + 3 + 6 + 44 + 556 + 36 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20367736 + ... + 20394056.

It is an arithmetic number, because the mean of its divisors is an integer number (10990843227).

Almost surely, 2^536445563616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 536445563616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791340712344).

536445563616 is an abundant number, since it is smaller than the sum of its proper divisors (1046235861072).

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

536445563616 is a wasteful number, since it uses less digits than its factorization.

536445563616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28967 (or 28947 counting only the distinct ones).

The product of its digits is 23328000, while the sum is 54.

The spelling of 536445563616 in words is "five hundred thirty-six billion, four hundred forty-five million, five hundred sixty-three thousand, six hundred sixteen".