36165625640 has 32 divisors (see below), whose sum is σ = 81581877000. Its totient is φ = 14429055744.

The previous prime is 36165625627. The next prime is 36165625673. The reversal of 36165625640 is 4652656163.

It can be written as a sum of positive squares in 4 ways, for example, as 22008909316 + 14156716324 = 148354^2 + 118982^2 .

It is a junction number, because it is equal to n+sod(n) for n = 36165625591 and 36165625600.

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 7 ways as a sum of consecutive naturals, for example, 1146575 + ... + 1177694.

Almost surely, 2^36165625640 is an apocalyptic number.

It is an amenable number.

36165625640 is an abundant number, since it is smaller than the sum of its proper divisors (45416251360).

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

36165625640 is a wasteful number, since it uses less digits than its factorization.

36165625640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324669 (or 2324665 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 36165625640 in words is "thirty-six billion, one hundred sixty-five million, six hundred twenty-five thousand, six hundred forty".