1617422183421 has 64 divisors (see below), whose sum is σ = 2499354316800. Its totient is φ = 920709504000.

The previous prime is 1617422183417. The next prime is 1617422183473. The reversal of 1617422183421 is 1243812247161.

It is not a de Polignac number, because 1617422183421 - 2² = 1617422183417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1617422183521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27703941 + ... + 27762261.

It is an arithmetic number, because the mean of its divisors is an integer number (39052411200).

Almost surely, 2^{1617422183421} is an apocalyptic number.

1617422183421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1617422183421 is a deficient number, since it is larger than the sum of its proper divisors (881932133379).

1617422183421 is a wasteful number, since it uses less digits than its factorization.

1617422183421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59018.

The product of its digits is 129024, while the sum is 42.

The spelling of 1617422183421 in words is "one trillion, six hundred seventeen billion, four hundred twenty-two million, one hundred eighty-three thousand, four hundred twenty-one".