198729569016 has 128 divisors (see below), whose sum is σ = 637635110400. Its totient is φ = 56678653440.

The previous prime is 198729569009. The next prime is 198729569023. The reversal of 198729569016 is 610965927891.

It is an interprime number because it is at equal distance from previous prime (198729569009) and next prime (198729569023).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2419620 + ... + 2500403.

It is an arithmetic number, because the mean of its divisors is an integer number (4981524300).

Almost surely, 2^198729569016 is an apocalyptic number.

It is an amenable number.

198729569016 is an abundant number, since it is smaller than the sum of its proper divisors (438905541384).

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

198729569016 is a wasteful number, since it uses less digits than its factorization.

198729569016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4920066 (or 4920056 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 63.

The spelling of 198729569016 in words is "one hundred ninety-eight billion, seven hundred twenty-nine million, five hundred sixty-nine thousand, sixteen".