5642600165645 has 16 divisors (see below), whose sum is σ = 7004678204160. Its totient is φ = 4358377955904.

The previous prime is 5642600165639. The next prime is 5642600165689. The reversal of 5642600165645 is 5465610062465.

It is a cyclic number.

It is not a de Polignac number, because 5642600165645 - 2³² = 5638305198349 is a prime.

It is a super-3 number, since 3×5642600165645³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5642600165593 and 5642600165602.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 27130742 + ... + 27337928.

It is an arithmetic number, because the mean of its divisors is an integer number (437792387760).

Almost surely, 2^{5642600165645} is an apocalyptic number.

It is an amenable number.

5642600165645 is a deficient number, since it is larger than the sum of its proper divisors (1362078038515).

5642600165645 is a wasteful number, since it uses less digits than its factorization.

5642600165645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395044.

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 5642600165645 in words is "five trillion, six hundred forty-two billion, six hundred million, one hundred sixty-five thousand, six hundred forty-five".