199530218075 has 24 divisors (see below), whose sum is σ = 261999064320. Its totient is φ = 150317316000.

The previous prime is 199530217993. The next prime is 199530218099. The reversal of 199530218075 is 570812035991.

It is not a de Polignac number, because 199530218075 - 2¹² = 199530213979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1178351 + ... + 1337000.

It is an arithmetic number, because the mean of its divisors is an integer number (10916627680).

Almost surely, 2^199530218075 is an apocalyptic number.

199530218075 is a deficient number, since it is larger than the sum of its proper divisors (62468846245).

199530218075 is a wasteful number, since it uses less digits than its factorization.

199530218075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515547 (or 2515542 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 50.

The spelling of 199530218075 in words is "one hundred ninety-nine billion, five hundred thirty million, two hundred eighteen thousand, seventy-five".