390803731664316 has 96 divisors (see below), whose sum is σ = 937979296591680. Its totient is φ = 126565298995200.

The previous prime is 390803731664219. The next prime is 390803731664327. The reversal of 390803731664316 is 613466137308093.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 390803731664316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 521713006 + ... + 522461546.

It is an arithmetic number, because the mean of its divisors is an integer number (9770617672830).

Almost surely, 2^{390803731664316} is an apocalyptic number.

It is an amenable number.

390803731664316 is an abundant number, since it is smaller than the sum of its proper divisors (547175564927364).

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

390803731664316 is a wasteful number, since it uses less digits than its factorization.

390803731664316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752975 (or 752973 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 60.

The spelling of 390803731664316 in words is "three hundred ninety trillion, eight hundred three billion, seven hundred thirty-one million, six hundred sixty-four thousand, three hundred sixteen".