10202663650646 has 16 divisors (see below), whose sum is σ = 15353093397600. Its totient is φ = 5084992059840.

The previous prime is 10202663650643. The next prime is 10202663650703. The reversal of 10202663650646 is 64605636620201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10202663650646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202663650643) 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, 5772821 + ... + 7330128.

It is an arithmetic number, because the mean of its divisors is an integer number (959568337350).

Almost surely, 2^{10202663650646} is an apocalyptic number.

10202663650646 is a deficient number, since it is larger than the sum of its proper divisors (5150429746954).

10202663650646 is a wasteful number, since it uses less digits than its factorization.

10202663650646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13104199.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 10202663650646 in words is "ten trillion, two hundred two billion, six hundred sixty-three million, six hundred fifty thousand, six hundred forty-six".