189316799 has 8 divisors (see below), whose sum is σ = 220965888. Its totient is φ = 158818680.

The previous prime is 189316793. The next prime is 189316801. The reversal of 189316799 is 997613981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-189316799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 189316799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189316793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287387 + ... + 288044.

It is an arithmetic number, because the mean of its divisors is an integer number (27620736).

Almost surely, 2^189316799 is an apocalyptic number.

189316799 is a deficient number, since it is larger than the sum of its proper divisors (31649089).

189316799 is an equidigital number, since it uses as much as digits as its factorization.

189316799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575485.

The product of its digits is 734832, while the sum is 53.

The square root of 189316799 is about 13759.2441289484. The cubic root of 189316799 is about 574.1998185371.

The spelling of 189316799 in words is "one hundred eighty-nine million, three hundred sixteen thousand, seven hundred ninety-nine".