10645402066 has 16 divisors (see below), whose sum is σ = 17453084544. Its totient is φ = 4839929424.

The previous prime is 10645402063. The next prime is 10645402069. The reversal of 10645402066 is 66020454601.

It is an interprime number because it is at equal distance from previous prime (10645402063) and next prime (10645402069).

It is a super-2 number, since 2×10645402066² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10645402063) 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, 3053770 + ... + 3057253.

It is an arithmetic number, because the mean of its divisors is an integer number (1090817784).

Almost surely, 2^10645402066 is an apocalyptic number.

10645402066 is a deficient number, since it is larger than the sum of its proper divisors (6807682478).

10645402066 is a wasteful number, since it uses less digits than its factorization.

10645402066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6111105.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 10645402066 its reverse (66020454601), we get a palindrome (76665856667).

The spelling of 10645402066 in words is "ten billion, six hundred forty-five million, four hundred two thousand, sixty-six".