8193766198 has 16 divisors (see below), whose sum is σ = 12840359760. Its totient is φ = 3916444000.

The previous prime is 8193766193. The next prime is 8193766201. The reversal of 8193766198 is 8916673918.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8193766193) 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, 693508 + ... + 705223.

It is an arithmetic number, because the mean of its divisors is an integer number (802522485).

Almost surely, 2^8193766198 is an apocalyptic number.

8193766198 is a deficient number, since it is larger than the sum of its proper divisors (4646593562).

8193766198 is a wasteful number, since it uses less digits than its factorization.

8193766198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398863.

The product of its digits is 3919104, while the sum is 58.

The square root of 8193766198 is about 90519.4244237114. The cubic root of 8193766198 is about 2016.0185437729.

The spelling of 8193766198 in words is "eight billion, one hundred ninety-three million, seven hundred sixty-six thousand, one hundred ninety-eight".