1617220617133 has 16 divisors (see below), whose sum is σ = 1829035676160. Its totient is φ = 1416424676800.

The previous prime is 1617220617119. The next prime is 1617220617137. The reversal of 1617220617133 is 3317160227161.

It is a cyclic number.

It is not a de Polignac number, because 1617220617133 - 2¹⁷ = 1617220486061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1617220617137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5351485 + ... + 5645602.

It is an arithmetic number, because the mean of its divisors is an integer number (114314729760).

Almost surely, 2^{1617220617133} is an apocalyptic number.

It is an amenable number.

1617220617133 is a deficient number, since it is larger than the sum of its proper divisors (211815059027).

1617220617133 is a wasteful number, since it uses less digits than its factorization.

1617220617133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10997588.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 1617220617133 in words is "one trillion, six hundred seventeen billion, two hundred twenty million, six hundred seventeen thousand, one hundred thirty-three".