6420060066846 has 32 divisors (see below), whose sum is σ = 12862393641216. Its totient is φ = 2136309552000.

The previous prime is 6420060066811. The next prime is 6420060066919. The reversal of 6420060066846 is 6486600600246.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6420060066795 and 6420060066804.

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, 14336086 + ... + 14777126.

It is an arithmetic number, because the mean of its divisors is an integer number (401949801288).

Almost surely, 2^{6420060066846} is an apocalyptic number.

6420060066846 is an abundant number, since it is smaller than the sum of its proper divisors (6442333574370).

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

6420060066846 is a wasteful number, since it uses less digits than its factorization.

6420060066846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445248.

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 6420060066846 in words is "six trillion, four hundred twenty billion, sixty million, sixty-six thousand, eight hundred forty-six".