10640084362561 has 8 divisors (see below), whose sum is σ = 10814570958824. Its totient is φ = 10465599669120.

The previous prime is 10640084362559. The next prime is 10640084362571. The reversal of 10640084362561 is 16526348004601.

10640084362561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 542890000 + 10639541472561 = 23300^2 + 3261831^2 .

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 10640084362561 - 2¹ = 10640084362559 is a prime.

It is a super-2 number, since 2×10640084362561² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10640084362571) 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, 14775895 + ... + 15479251.

It is an arithmetic number, because the mean of its divisors is an integer number (1351821369853).

Almost surely, 2^{10640084362561} is an apocalyptic number.

It is an amenable number.

10640084362561 is a deficient number, since it is larger than the sum of its proper divisors (174486596263).

10640084362561 is an equidigital number, since it uses as much as digits as its factorization.

10640084362561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951411.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 10640084362561 in words is "ten trillion, six hundred forty billion, eighty-four million, three hundred sixty-two thousand, five hundred sixty-one".