189793593066 has 96 divisors (see below), whose sum is σ = 493451663040. Its totient is φ = 48094636800.

The previous prime is 189793593049. The next prime is 189793593079. The reversal of 189793593066 is 660395397981.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 189793592988 and 189793593006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 583101 + ... + 848288.

It is an arithmetic number, because the mean of its divisors is an integer number (5140121490).

Almost surely, 2^189793593066 is an apocalyptic number.

189793593066 is an abundant number, since it is smaller than the sum of its proper divisors (303658069974).

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

189793593066 is a wasteful number, since it uses less digits than its factorization.

189793593066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431460 (or 1431453 counting only the distinct ones).

The product of its (nonzero) digits is 66134880, while the sum is 66.

The spelling of 189793593066 in words is "one hundred eighty-nine billion, seven hundred ninety-three million, five hundred ninety-three thousand, sixty-six".