610660406172257 has 8 divisors (see below), whose sum is σ = 697897759108032. Its totient is φ = 523423091250000.

The previous prime is 610660406172251. The next prime is 610660406172301. The reversal of 610660406172257 is 752271604066016.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 610660406172257 - 2³² = 610656111204961 is a prime.

It is a super-2 number, since 2×610660406172257² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 610660406172199 and 610660406172208.

It is not an unprimeable number, because it can be changed into a prime (610660406172251) 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 7 ways as a sum of consecutive naturals, for example, 48616007 + ... + 59873507.

It is an arithmetic number, because the mean of its divisors is an integer number (87237219888504).

Almost surely, 2^{610660406172257} is an apocalyptic number.

It is an amenable number.

610660406172257 is a deficient number, since it is larger than the sum of its proper divisors (87237352935775).

610660406172257 is a wasteful number, since it uses less digits than its factorization.

610660406172257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19006759.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 610660406172257 in words is "six hundred ten trillion, six hundred sixty billion, four hundred six million, one hundred seventy-two thousand, two hundred fifty-seven".