198053505760863 has 16 divisors (see below), whose sum is σ = 265479566726880. Its totient is φ = 131331899884416.

The previous prime is 198053505760853. The next prime is 198053505760879. The reversal of 198053505760863 is 368067505350891.

It is not a de Polignac number, because 198053505760863 - 2²⁵ = 198053472206431 is a prime.

It is a super-2 number, since 2×198053505760863² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 198053505760794 and 198053505760803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198053505760853) 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, 40462168 + ... + 45092061.

It is an arithmetic number, because the mean of its divisors is an integer number (16592472920430).

Almost surely, 2^{198053505760863} is an apocalyptic number.

198053505760863 is a deficient number, since it is larger than the sum of its proper divisors (67426060966017).

198053505760863 is a wasteful number, since it uses less digits than its factorization.

198053505760863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85558346.

The product of its (nonzero) digits is 163296000, while the sum is 66.

The spelling of 198053505760863 in words is "one hundred ninety-eight trillion, fifty-three billion, five hundred five million, seven hundred sixty thousand, eight hundred sixty-three".