1040662330561 has 8 divisors (see below), whose sum is σ = 1189411947584. Its totient is φ = 891933606000.

The previous prime is 1040662330549. The next prime is 1040662330567. The reversal of 1040662330561 is 1650332660401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1040662330561 - 2¹³ = 1040662322369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1040662330561.

It is not an unprimeable number, because it can be changed into a prime (1040662330567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5116230 + ... + 5315743.

It is an arithmetic number, because the mean of its divisors is an integer number (148676493448).

Almost surely, 2^{1040662330561} is an apocalyptic number.

It is an amenable number.

1040662330561 is a deficient number, since it is larger than the sum of its proper divisors (148749617023).

1040662330561 is a wasteful number, since it uses less digits than its factorization.

1040662330561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10446231.

The product of its (nonzero) digits is 77760, while the sum is 37.

Adding to 1040662330561 its reverse (1650332660401), we get a palindrome (2690994990962).

The spelling of 1040662330561 in words is "one trillion, forty billion, six hundred sixty-two million, three hundred thirty thousand, five hundred sixty-one".