816053334646 has 16 divisors (see below), whose sum is σ = 1335793249728. Its totient is φ = 370812987400.

The previous prime is 816053334631. The next prime is 816053334667. The reversal of 816053334646 is 646433350618.

It is a self number, because there is not a number n which added to its sum of digits gives 816053334646.

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, 5947960 + ... + 6083611.

It is an arithmetic number, because the mean of its divisors is an integer number (83487078108).

Almost surely, 2^816053334646 is an apocalyptic number.

816053334646 is a deficient number, since it is larger than the sum of its proper divisors (519739915082).

816053334646 is a wasteful number, since it uses less digits than its factorization.

816053334646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12034667.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 816053334646 in words is "eight hundred sixteen billion, fifty-three million, three hundred thirty-four thousand, six hundred forty-six".