5645086816870 has 16 divisors (see below), whose sum is σ = 10161211754448. Its totient is φ = 2258022396960.

The previous prime is 5645086816861. The next prime is 5645086816883. The reversal of 5645086816870 is 786186805465.

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, 511957 + ... + 3398863.

It is an arithmetic number, because the mean of its divisors is an integer number (635075734653).

Almost surely, 2^{5645086816870} is an apocalyptic number.

5645086816870 is a deficient number, since it is larger than the sum of its proper divisors (4516124937578).

5645086816870 is a wasteful number, since it uses less digits than its factorization.

5645086816870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082455.

The product of its (nonzero) digits is 77414400, while the sum is 64.

The spelling of 5645086816870 in words is "five trillion, six hundred forty-five billion, eighty-six million, eight hundred sixteen thousand, eight hundred seventy".