10664412261401 has 4 divisors (see below), whose sum is σ = 10674463546404. Its totient is φ = 10654360976400.

The previous prime is 10664412261367. The next prime is 10664412261479. The reversal of 10664412261401 is 10416221446601.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7609327767001 + 3055084494400 = 2758501^2 + 1747880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10664412261401 is a prime.

It is a super-2 number, since 2×10664412261401² (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 (10664412261101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5025640910 + ... + 5025643031.

It is an arithmetic number, because the mean of its divisors is an integer number (2668615886601).

Almost surely, 2^{10664412261401} is an apocalyptic number.

It is an amenable number.

10664412261401 is a deficient number, since it is larger than the sum of its proper divisors (10051285003).

10664412261401 is a wasteful number, since it uses less digits than its factorization.

10664412261401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10051285002.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 10664412261401 in words is "ten trillion, six hundred sixty-four billion, four hundred twelve million, two hundred sixty-one thousand, four hundred one".