620033553164005 has 4 divisors (see below), whose sum is σ = 744040263796812. Its totient is φ = 496026842531200.

The previous prime is 620033553163979. The next prime is 620033553164021. The reversal of 620033553164005 is 500461355330026.

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

It can be written as a sum of positive squares in 2 ways, for example, as 171735337477089 + 448298215686916 = 13104783^2 + 21173054^2 .

It is not a de Polignac number, because 620033553164005 - 2⁷ = 620033553163877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62003355316396 + ... + 62003355316405.

It is an arithmetic number, because the mean of its divisors is an integer number (186010065949203).

Almost surely, 2^{620033553164005} is an apocalyptic number.

It is an amenable number.

620033553164005 is a deficient number, since it is larger than the sum of its proper divisors (124006710632807).

620033553164005 is a wasteful number, since it uses less digits than its factorization.

620033553164005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124006710632806.

The product of its (nonzero) digits is 972000, while the sum is 43.

The spelling of 620033553164005 in words is "six hundred twenty trillion, thirty-three billion, five hundred fifty-three million, one hundred sixty-four thousand, five".