199889068369624 has 32 divisors (see below), whose sum is σ = 374993947224000. Its totient is φ = 99890691968032.

The previous prime is 199889068369589. The next prime is 199889068369693. The reversal of 199889068369624 is 426963860988991.

199889068369624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168922407 + ... + 170101609.

It is an arithmetic number, because the mean of its divisors is an integer number (11718560850750).

Almost surely, 2^{199889068369624} is an apocalyptic number.

It is an amenable number.

199889068369624 is a deficient number, since it is larger than the sum of its proper divisors (175104878854376).

199889068369624 is a wasteful number, since it uses less digits than its factorization.

199889068369624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190607 (or 1190603 counting only the distinct ones).

The product of its (nonzero) digits is 17414258688, while the sum is 88.

The spelling of 199889068369624 in words is "one hundred ninety-nine trillion, eight hundred eighty-nine billion, sixty-eight million, three hundred sixty-nine thousand, six hundred twenty-four".