10538183556 has 36 divisors (see below), whose sum is σ = 27140798412. Its totient is φ = 3446449344.

The previous prime is 10538183543. The next prime is 10538183563. The reversal of 10538183556 is 65538183501.

10538183556 is a `hidden beast` number, since 10 + 5 + 3 + 8 + 1 + 83 + 556 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5012640000 + 5525543556 = 70800^2 + 74334^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×10538183556² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2759671 + ... + 2763486.

It is an arithmetic number, because the mean of its divisors is an integer number (753911067).

Almost surely, 2^10538183556 is an apocalyptic number.

It is an amenable number.

10538183556 is an abundant number, since it is smaller than the sum of its proper divisors (16602614856).

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

10538183556 is a wasteful number, since it uses less digits than its factorization.

10538183556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5523220 (or 5523215 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

Subtracting 10538183556 from its reverse (65538183501), we obtain a palindrome (54999999945).

The spelling of 10538183556 in words is "ten billion, five hundred thirty-eight million, one hundred eighty-three thousand, five hundred fifty-six".