610660423438505 has 16 divisors (see below), whose sum is σ = 800134768698624. Its totient is φ = 443714027239680.

The previous prime is 610660423438501. The next prime is 610660423438511. The reversal of 610660423438505 is 505834324066016.

It is not a de Polignac number, because 610660423438505 - 2² = 610660423438501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (610660423438501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5032993184 + ... + 5033114513.

It is an arithmetic number, because the mean of its divisors is an integer number (50008423043664).

Almost surely, 2^{610660423438505} is an apocalyptic number.

It is an amenable number.

610660423438505 is a deficient number, since it is larger than the sum of its proper divisors (189474345260119).

610660423438505 is a wasteful number, since it uses less digits than its factorization.

610660423438505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10066108816.

The product of its (nonzero) digits is 12441600, while the sum is 53.

The spelling of 610660423438505 in words is "six hundred ten trillion, six hundred sixty billion, four hundred twenty-three million, four hundred thirty-eight thousand, five hundred five".