1617227632361 has 16 divisors (see below), whose sum is σ = 1768386816000. Its totient is φ = 1466760216720.

The previous prime is 1617227632253. The next prime is 1617227632379. The reversal of 1617227632361 is 1632367227161.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1617227632361 - 2³⁴ = 1600047763177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1617227632381) 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, 16544516 + ... + 16641978.

It is an arithmetic number, because the mean of its divisors is an integer number (110524176000).

Almost surely, 2^{1617227632361} is an apocalyptic number.

1617227632361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1617227632361 is a deficient number, since it is larger than the sum of its proper divisors (151159183639).

1617227632361 is a wasteful number, since it uses less digits than its factorization.

1617227632361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100996.

The product of its digits is 762048, while the sum is 47.

The spelling of 1617227632361 in words is "one trillion, six hundred seventeen billion, two hundred twenty-seven million, six hundred thirty-two thousand, three hundred sixty-one".