620161216046353 has 2 divisors, whose sum is σ = 620161216046354. Its totient is φ = 620161216046352.

The previous prime is 620161216046291. The next prime is 620161216046369. The reversal of 620161216046353 is 353640612161026.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518820109530129 + 101341106516224 = 22777623^2 + 10066832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620161216046353 is a prime.

It is not a weakly prime, because it can be changed into another prime (620161216046153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310080608023176 + 310080608023177.

It is an arithmetic number, because the mean of its divisors is an integer number (310080608023177).

Almost surely, 2^{620161216046353} is an apocalyptic number.

It is an amenable number.

620161216046353 is a deficient number, since it is larger than the sum of its proper divisors (1).

620161216046353 is an equidigital number, since it uses as much as digits as its factorization.

620161216046353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 620161216046353 in words is "six hundred twenty trillion, one hundred sixty-one billion, two hundred sixteen million, forty-six thousand, three hundred fifty-three".