1081654716641 has 8 divisors (see below), whose sum is σ = 1099510142304. Its totient is φ = 1063936114560.

The previous prime is 1081654716601. The next prime is 1081654716677. The reversal of 1081654716641 is 1466174561801.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1081654716641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1081654716641.

It is not an unprimeable number, because it can be changed into a prime (1081654716601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34189955 + ... + 34221576.

It is an arithmetic number, because the mean of its divisors is an integer number (137438767788).

Almost surely, 2^{1081654716641} is an apocalyptic number.

It is an amenable number.

1081654716641 is a deficient number, since it is larger than the sum of its proper divisors (17855425663).

1081654716641 is an equidigital number, since it uses as much as digits as its factorization.

1081654716641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68411791.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 1081654716641 in words is "one trillion, eighty-one billion, six hundred fifty-four million, seven hundred sixteen thousand, six hundred forty-one".