10646665602 has 32 divisors (see below), whose sum is σ = 21400416000. Its totient is φ = 3531067008.

The previous prime is 10646665597. The next prime is 10646665607. The reversal of 10646665602 is 20656664601.

It is a happy number.

10646665602 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10646665597) and next prime (10646665607).

It is a super-2 number, since 2×10646665602² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10646665607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2287774 + ... + 2292422.

It is an arithmetic number, because the mean of its divisors is an integer number (668763000).

Almost surely, 2^10646665602 is an apocalyptic number.

10646665602 is an abundant number, since it is smaller than the sum of its proper divisors (10753750398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10646665602 is a wasteful number, since it uses less digits than its factorization.

10646665602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490.

The product of its (nonzero) digits is 311040, while the sum is 42.

It can be divided in two parts, 1064 and 6665602, that added together give a palindrome (6666666).

The spelling of 10646665602 in words is "ten billion, six hundred forty-six million, six hundred sixty-five thousand, six hundred two".