198780222014565 has 64 divisors (see below), whose sum is σ = 335954539872000. Its totient is φ = 100086845128704.

The previous prime is 198780222014531. The next prime is 198780222014581. The reversal of 198780222014565 is 565410222087891.

It is not a de Polignac number, because 198780222014565 - 2⁶ = 198780222014501 is a prime.

It is a super-3 number, since 3×198780222014565³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 198780222014499 and 198780222014508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 101013579 + ... + 102962631.

It is an arithmetic number, because the mean of its divisors is an integer number (5249289685500).

Almost surely, 2^{198780222014565} is an apocalyptic number.

198780222014565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

198780222014565 is a deficient number, since it is larger than the sum of its proper divisors (137174317857435).

198780222014565 is a wasteful number, since it uses less digits than its factorization.

198780222014565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950326.

The product of its (nonzero) digits is 19353600, while the sum is 60.

The spelling of 198780222014565 in words is "one hundred ninety-eight trillion, seven hundred eighty billion, two hundred twenty-two million, fourteen thousand, five hundred sixty-five".