620324440104566 has 4 divisors (see below), whose sum is σ = 930486660156852. Its totient is φ = 310162220052282.

The previous prime is 620324440104563. The next prime is 620324440104581. The reversal of 620324440104566 is 665401044423026.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 620324440104566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620324440104563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155081110026140 + ... + 155081110026143.

It is an arithmetic number, because the mean of its divisors is an integer number (232621665039213).

Almost surely, 2^{620324440104566} is an apocalyptic number.

620324440104566 is a deficient number, since it is larger than the sum of its proper divisors (310162220052286).

620324440104566 is a wasteful number, since it uses less digits than its factorization.

620324440104566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310162220052285.

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 620324440104566 in words is "six hundred twenty trillion, three hundred twenty-four billion, four hundred forty million, one hundred four thousand, five hundred sixty-six".