10642646355644 has 24 divisors (see below), whose sum is σ = 19605074845440. Its totient is φ = 5041202113584.

The previous prime is 10642646355613. The next prime is 10642646355673. The reversal of 10642646355644 is 44655364624601.

It is a super-2 number, since 2×10642646355644² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10642646355644.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7385837 + ... + 8708379.

It is an arithmetic number, because the mean of its divisors is an integer number (816878118560).

Almost surely, 2^{10642646355644} is an apocalyptic number.

It is an amenable number.

10642646355644 is a deficient number, since it is larger than the sum of its proper divisors (8962428489796).

10642646355644 is a wasteful number, since it uses less digits than its factorization.

10642646355644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428449 (or 1428447 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 56.

The spelling of 10642646355644 in words is "ten trillion, six hundred forty-two billion, six hundred forty-six million, three hundred fifty-five thousand, six hundred forty-four".