10646049848657 has 8 divisors (see below), whose sum is σ = 10863036014184. Its totient is φ = 10429660620288.

The previous prime is 10646049848591. The next prime is 10646049848699. The reversal of 10646049848657 is 75684894064601.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 442938167296 + 10203111681361 = 665536^2 + 3194231^2 .

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 10646049848657 - 2³⁴ = 10628869979473 is a prime.

It is a super-2 number, since 2×10646049848657² (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 (10646049842657) 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, 149198258 + ... + 149269595.

It is an arithmetic number, because the mean of its divisors is an integer number (1357879501773).

Almost surely, 2^{10646049848657} is an apocalyptic number.

It is an amenable number.

10646049848657 is a deficient number, since it is larger than the sum of its proper divisors (216986165527).

10646049848657 is an equidigital number, since it uses as much as digits as its factorization.

10646049848657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298468579.

The product of its (nonzero) digits is 278691840, while the sum is 68.

The spelling of 10646049848657 in words is "ten trillion, six hundred forty-six billion, forty-nine million, eight hundred forty-eight thousand, six hundred fifty-seven".