36544402066 has 4 divisors (see below), whose sum is σ = 54816603102. Its totient is φ = 18272201032.

The previous prime is 36544402033. The next prime is 36544402073. The reversal of 36544402066 is 66020444563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 27829246041 + 8715156025 = 166821^2 + 93355^2 .

It is a super-2 number, since 2×36544402066² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9136100515 + ... + 9136100518.

Almost surely, 2^36544402066 is an apocalyptic number.

36544402066 is a deficient number, since it is larger than the sum of its proper divisors (18272201036).

36544402066 is a wasteful number, since it uses less digits than its factorization.

36544402066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18272201035.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 36544402066 in words is "thirty-six billion, five hundred forty-four million, four hundred two thousand, sixty-six".