610660400322653 has 4 divisors (see below), whose sum is σ = 611181886575168. Its totient is φ = 610138914070140.

The previous prime is 610660400322587. The next prime is 610660400322659. The reversal of 610660400322653 is 356223004066016.

610660400322653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 610660400322653 - 2²⁴ = 610660383545437 is a prime.

It is a super-2 number, since 2×610660400322653² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (610660400322659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260743124501 + ... + 260743126842.

It is an arithmetic number, because the mean of its divisors is an integer number (152795471643792).

Almost surely, 2^{610660400322653} is an apocalyptic number.

It is an amenable number.

610660400322653 is a deficient number, since it is larger than the sum of its proper divisors (521486252515).

610660400322653 is a wasteful number, since it uses less digits than its factorization.

610660400322653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521486252514.

The product of its (nonzero) digits is 933120, while the sum is 44.

Adding to 610660400322653 its reverse (356223004066016), we get a palindrome (966883404388669).

The spelling of 610660400322653 in words is "six hundred ten trillion, six hundred sixty billion, four hundred million, three hundred twenty-two thousand, six hundred fifty-three".