1617211060655 has 8 divisors (see below), whose sum is σ = 1940693431200. Its totient is φ = 1293742076256.

The previous prime is 1617211060601. The next prime is 1617211060669. The reversal of 1617211060655 is 5560601127161.

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 1617211060655 - 2¹⁴ = 1617211044271 is a prime.

It is a super-2 number, since 2×1617211060655² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3078800 + ... + 3565589.

It is an arithmetic number, because the mean of its divisors is an integer number (242586678900).

Almost surely, 2^{1617211060655} is an apocalyptic number.

1617211060655 is a deficient number, since it is larger than the sum of its proper divisors (323482370545).

1617211060655 is an equidigital number, since it uses as much as digits as its factorization.

1617211060655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6693073.

The product of its (nonzero) digits is 75600, while the sum is 41.

The spelling of 1617211060655 in words is "one trillion, six hundred seventeen billion, two hundred eleven million, sixty thousand, six hundred fifty-five".