198546555004 has 24 divisors (see below), whose sum is σ = 399388455648. Its totient is φ = 84599520960.

The previous prime is 198546554981. The next prime is 198546555007. The reversal of 198546555004 is 400555645891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198546555007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20489227 + ... + 20498914.

It is an arithmetic number, because the mean of its divisors is an integer number (16641185652).

Almost surely, 2^198546555004 is an apocalyptic number.

198546555004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

198546555004 is an abundant number, since it is smaller than the sum of its proper divisors (200841900644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198546555004 is a wasteful number, since it uses less digits than its factorization.

198546555004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40988325 (or 40988323 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 52.

The spelling of 198546555004 in words is "one hundred ninety-eight billion, five hundred forty-six million, five hundred fifty-five thousand, four".