6450198118 has 32 divisors (see below), whose sum is σ = 11912253696. Its totient is φ = 2550827808.

The previous prime is 6450198113. The next prime is 6450198119. The reversal of 6450198118 is 8118910546.

It is a super-2 number, since 2×6450198118² = 83210111522901483848, which contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6450198113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790005 + ... + 798127.

It is an arithmetic number, because the mean of its divisors is an integer number (372257928).

Almost surely, 2^6450198118 is an apocalyptic number.

6450198118 is a deficient number, since it is larger than the sum of its proper divisors (5462055578).

6450198118 is a wasteful number, since it uses less digits than its factorization.

6450198118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12508.

The product of its (nonzero) digits is 69120, while the sum is 43.

The square root of 6450198118 is about 80313.1254403662. The cubic root of 6450198118 is about 1861.4770436973.

The spelling of 6450198118 in words is "six billion, four hundred fifty million, one hundred ninety-eight thousand, one hundred eighteen".