5642168404566 has 32 divisors (see below), whose sum is σ = 11587827736800. Its totient is φ = 1830365291520.

The previous prime is 5642168404541. The next prime is 5642168404603. The reversal of 5642168404566 is 6654048612465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27938071 + ... + 28139298.

It is an arithmetic number, because the mean of its divisors is an integer number (362119616775).

Almost surely, 2^{5642168404566} is an apocalyptic number.

5642168404566 is an abundant number, since it is smaller than the sum of its proper divisors (5945659332234).

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

5642168404566 is a wasteful number, since it uses less digits than its factorization.

5642168404566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56077824.

The product of its (nonzero) digits is 33177600, while the sum is 57.

The spelling of 5642168404566 in words is "five trillion, six hundred forty-two billion, one hundred sixty-eight million, four hundred four thousand, five hundred sixty-six".