198965501567 has 16 divisors (see below), whose sum is σ = 228419123520. Its totient is φ = 169770221568.

The previous prime is 198965501533. The next prime is 198965501617. The reversal of 198965501567 is 765105569891.

It is a cyclic number.

It is not a de Polignac number, because 198965501567 - 2¹⁴ = 198965485183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198965501507) 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, 2860223 + ... + 2928959.

It is an arithmetic number, because the mean of its divisors is an integer number (14276195220).

Almost surely, 2^198965501567 is an apocalyptic number.

198965501567 is a deficient number, since it is larger than the sum of its proper divisors (29453621953).

198965501567 is a wasteful number, since it uses less digits than its factorization.

198965501567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70610.

The product of its (nonzero) digits is 20412000, while the sum is 62.

The spelling of 198965501567 in words is "one hundred ninety-eight billion, nine hundred sixty-five million, five hundred one thousand, five hundred sixty-seven".