198707267541 has 16 divisors (see below), whose sum is σ = 284821171200. Its totient is φ = 122829126768.

The previous prime is 198707267537. The next prime is 198707267597. The reversal of 198707267541 is 145762707891.

198707267541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 198707267541 - 2² = 198707267537 is a prime.

It is a super-2 number, since 2×198707267541² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198707263541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37083411 + ... + 37088768.

It is an arithmetic number, because the mean of its divisors is an integer number (17801323200).

Almost surely, 2^198707267541 is an apocalyptic number.

It is an amenable number.

198707267541 is a deficient number, since it is larger than the sum of its proper divisors (86113903659).

198707267541 is a wasteful number, since it uses less digits than its factorization.

198707267541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74172248.

The product of its (nonzero) digits is 5927040, while the sum is 57.

The spelling of 198707267541 in words is "one hundred ninety-eight billion, seven hundred seven million, two hundred sixty-seven thousand, five hundred forty-one".