198927055627950 has 192 divisors, whose sum is σ = 577291151001600. Its totient is φ = 44893032537600.

The previous prime is 198927055627813. The next prime is 198927055628131. The reversal of 198927055627950 is 59726550729891.

It is a Harshad number since it is a multiple of its sum of digits (75).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 85450665 + ... + 87747764.

It is an arithmetic number, because the mean of its divisors is an integer number (3006724744800).

Almost surely, 2^{198927055627950} is an apocalyptic number.

198927055627950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198927055627950 is an abundant number, since it is smaller than the sum of its proper divisors (378364095373650).

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

198927055627950 is a wasteful number, since it uses less digits than its factorization.

198927055627950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173198507 (or 173198502 counting only the distinct ones).

The product of its (nonzero) digits is 857304000, while the sum is 75.

The spelling of 198927055627950 in words is "one hundred ninety-eight trillion, nine hundred twenty-seven billion, fifty-five million, six hundred twenty-seven thousand, nine hundred fifty".