9146555564641 has 32 divisors (see below), whose sum is σ = 10642458032640. Its totient is φ = 7768572883200.

The previous prime is 9146555564639. The next prime is 9146555564647. The reversal of 9146555564641 is 1464655556419.

It is a cyclic number.

It is not a de Polignac number, because 9146555564641 - 2¹ = 9146555564639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9146555564641.

It is not an unprimeable number, because it can be changed into a prime (9146555564647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236283010 + ... + 236321716.

It is an arithmetic number, because the mean of its divisors is an integer number (332576813520).

Almost surely, 2^{9146555564641} is an apocalyptic number.

It is an amenable number.

9146555564641 is a deficient number, since it is larger than the sum of its proper divisors (1495902467999).

9146555564641 is a wasteful number, since it uses less digits than its factorization.

9146555564641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47965.

The product of its digits is 77760000, while the sum is 61.

The spelling of 9146555564641 in words is "nine trillion, one hundred forty-six billion, five hundred fifty-five million, five hundred sixty-four thousand, six hundred forty-one".