10640178643 has 2 divisors, whose sum is σ = 10640178644. Its totient is φ = 10640178642.

The previous prime is 10640178589. The next prime is 10640178667. The reversal of 10640178643 is 34687104601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10640178643 - 2³³ = 2050244051 is a prime.

It is a super-2 number, since 2×10640178643² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10640178596 and 10640178605.

It is not a weakly prime, because it can be changed into another prime (10640178343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5320089321 + 5320089322.

It is an arithmetic number, because the mean of its divisors is an integer number (5320089322).

Almost surely, 2^10640178643 is an apocalyptic number.

10640178643 is a deficient number, since it is larger than the sum of its proper divisors (1).

10640178643 is an equidigital number, since it uses as much as digits as its factorization.

10640178643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 40.

The spelling of 10640178643 in words is "ten billion, six hundred forty million, one hundred seventy-eight thousand, six hundred forty-three".