16198995 has 8 divisors (see below), whose sum is σ = 25918416. Its totient is φ = 8639456.

The previous prime is 16198993. The next prime is 16198997. The reversal of 16198995 is 59989161.

It is an interprime number because it is at equal distance from previous prime (16198993) and next prime (16198997).

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

It is a cyclic number.

It is not a de Polignac number, because 16198995 - 2¹ = 16198993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16198991) 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, 539952 + ... + 539981.

It is an arithmetic number, because the mean of its divisors is an integer number (3239802).

Almost surely, 2^16198995 is an apocalyptic number.

16198995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16198995 is a deficient number, since it is larger than the sum of its proper divisors (9719421).

16198995 is a wasteful number, since it uses less digits than its factorization.

16198995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079941.

The product of its digits is 174960, while the sum is 48.

The square root of 16198995 is about 4024.7975104345. The cubic root of 16198995 is about 253.0245670760.

The spelling of 16198995 in words is "sixteen million, one hundred ninety-eight thousand, nine hundred ninety-five".